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Lawrence RL, Soliman SB, Dalbøge A, Lohse K, Bey MJ. Investigating the multifactorial etiology of supraspinatus tendon tears. J Orthop Res 2024; 42:578-587. [PMID: 37814893 DOI: 10.1002/jor.25699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/23/2023] [Accepted: 10/05/2023] [Indexed: 10/11/2023]
Abstract
The purpose of this study was to develop a multivariable model to determine the extent to which a combination of etiological factors is associated with supraspinatus tendon tears. Fifty-four asymptomatic individuals (55 ± 4 years) underwent testing of their dominant shoulder. Diagnostic ultrasound was used to assess for a supraspinatus tendon tear. The etiological factors investigated included demographics (age and sex), tendon impingement during shoulder motion (via biplane videoradiography), glenohumeral morphology (via computed tomography imaging), family history of a tear (via self-report), occupational shoulder exposure (via shoulder job exposure matrix), and athletic exposure (via self-report). Univariate relationships between etiological predictors and supraspinatus tears were assessed using logistic regression and odds ratios (ORs), while multivariable relationships were assessed using classification and regression tree analysis. Thirteen participants (24.1%) had evidence of a supraspinatus tear. Individuals with a tear had a higher critical shoulder angle (OR 1.2, p = 0.028) and acromial index (OR 1.2, p = 0.016) than individuals without a tear. The multivariable model suggested that a tear in this cohort can be explained with acceptable accuracy (AUROC = 0.731) by the interaction between acromial index and shoulder occupational exposure: a tear is more likely in individuals with a high acromial index (p < 0.001), and in individuals with a low acromial index and high occupational exposure (p < 0.001). The combination of an individual's glenohumeral morphology (acromial index) and occupational shoulder exposure may be important in the development of supraspinatus tears.
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Affiliation(s)
- Rebekah L Lawrence
- Program in Physical Therapy, Washington University School of Medicine, St. Louis, Missouri, USA
- Bone and Joint Center, Department of Orthopaedic Surgery, Henry Ford Health, Detroit, Michigan, USA
| | - Steven B Soliman
- Department of Radiology, Henry Ford Health, Detroit, Michigan, USA
- Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Annett Dalbøge
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Occupational Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Keith Lohse
- Program in Physical Therapy, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Michael J Bey
- Bone and Joint Center, Department of Orthopaedic Surgery, Henry Ford Health, Detroit, Michigan, USA
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2
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Park J, Kim DS, Huh H, Cho WG, Kim H, Lee DW. In Vivo 3-Dimensional Dynamic Evaluation of Shoulder Kinematics After the Latarjet Procedure: Comparison With the Contralateral Healthy Shoulder. Orthop J Sports Med 2024; 12:23259671241226909. [PMID: 38486807 PMCID: PMC10938626 DOI: 10.1177/23259671241226909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 08/18/2023] [Indexed: 03/17/2024] Open
Abstract
Background Researchers have attempted to understand the underlying mechanism of the Latarjet procedure; however, its effects on shoulder kinematics have not been well studied. Purpose/Hypothesis The purpose was to analyze shoulder kinematics after the Latarjet procedure. It was hypothesized that the nonanatomic transfer of the coracoid process during the procedure would affect normal shoulder kinematics. Study Design Controlled laboratory study. Methods The study included 10 patients (age range, 20-52 years) who underwent the modified Latarjet procedure between June 2016 and November 2021. Computed tomography and fluoroscopy were conducted on both shoulder joints of all patients, and 3-dimensional models were reconstructed. The 3-dimensional coordinates were encoded on the reconstructed models, and shoulder kinematics were analyzed through a 3-dimensional-2-dimensional model-image registration technique. Scapular rotation parameters (scapular upward rotation, posterior tilt, external rotation, and scapulohumeral rhythm) were compared between the Latarjet and the nonsurgical contralateral sides during humeral abduction, as was anteroposterior (AP) translation relative to the glenoid center during active humeral external rotation. Results The Latarjet side displayed significantly higher values of scapular upward rotation at higher degrees of humeral elevation (130°, 140°, and 150°) compared with the nonsurgical side (P = .027). Posterior tilt, external rotation, and scapulohumeral rhythm were not significantly different between sides. AP translation at maximal humeral rotation was not significantly different between sides (Latarjet, -0.06 ± 5.73 mm vs nonsurgical, 5.33 ± 1.60 mm; P = .28). Interestingly, on the Latarjet side, AP translation increased until 40° of humeral rotation (4.27 ± 4.64 mm) but began to decrease from 50° of humeral rotation. Conclusion The Latarjet side demonstrated significant changes in scapular upward rotation during higher degrees of humeral elevation compared with the contralateral shoulder. Posterior movement of the humeral head at >50° of humeral rotation could be the desired effect of anterior stabilization; however, researchers should evaluate long-term complications such as osteoarthritis. Clinical Relevance Analysis of shoulder kinematics after the Latarjet procedure could provide information regarding long-term outcomes and whether the procedure would affect the daily activities of patients.
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Affiliation(s)
- Jisu Park
- Department of Orthopedic Surgery, Wonju College of Medicine, Yonsei University, Republic of Korea
| | - Doo Sup Kim
- Department of Orthopedic Surgery, Wonju College of Medicine, Yonsei University, Republic of Korea
| | - Hyungkyu Huh
- Daegu-Gyeongbuk Medical Innovation Foundation, Dae-gu, Republic of Korea
| | - Won Gil Cho
- Department of Anatomy, Wonju College of Medicine, Yonsei University, Gangwon-do, Republic of Korea
| | - HyunWoo Kim
- Department of Orthopedic Surgery, Wonju College of Medicine, Yonsei University, Republic of Korea
| | - Dong-Woo Lee
- Department of Orthopaedics, Hanil General Hospital, Seoul, Republic of Korea
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Cyrus Rezvanifar S, Lamb JJ, Wing MF, Ellingson AM, Braman JP, Ludewig PM, Barocas VH. The long head of the biceps tendon undergoes multiaxial deformation during shoulder motion. J Biomech 2024; 162:111900. [PMID: 38104381 DOI: 10.1016/j.jbiomech.2023.111900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 12/04/2023] [Accepted: 12/07/2023] [Indexed: 12/19/2023]
Abstract
The long head biceps tendon (LHBT) is presumed a common source of shoulder joint pain and injury. Despite common LHBT pathologies, diagnosis and preferred treatment remain frequently debated. This Short Communication reports the development of a subject-specific finite element model of the shoulder joint based on one subject's 3D reconstructed anatomy and 3D in vivo kinematics recorded from bone-fixed electromagnetic sensors. The primary purpose of this study was to use the developed finite element model to investigate the LHBT mechanical environment during a typical shoulder motion of arm raising. Furthermore, this study aimed to assess the viability of material models derived from uniaxial tensile tests for accurate simulation of in vivo motion. The findings of our simulations indicate that the LHBT undergoes complex multidimensional deformations. As such, uniaxial material properties reported in the existing body of literature are not sufficient to simulate accurately the in vivo mechanical behavior of the LHBT. Further experimental tests on cadaveric specimens, such as biaxial tension and combinations of tension and torsion, are needed to describe fully the mechanical behavior of the LHBT and investigate its mechanisms of injury.
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Affiliation(s)
- S Cyrus Rezvanifar
- Division of Physical Therapy and Rehabilitation Science, University of Minnesota, Twin Cities, Minneapolis, MN 55455, USA
| | - J J Lamb
- Department of Mechanical Engineering University of Minnesota, Twin Cities, Minneapolis, MN 55455, USA
| | - Miles F Wing
- Department of Biomedical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN 55455, USA
| | - Arin M Ellingson
- Division of Physical Therapy and Rehabilitation Science, University of Minnesota, Twin Cities, Minneapolis, MN 55455, USA
| | - Jonathan P Braman
- Department of Orthopedic Surgery University of Minnesota, Twin Cities, Minneapolis, MN 55455, USA; Chair of Orthopedic Surgery, Henry Ford Health, Detroit, MI 48202, USA
| | - Paula M Ludewig
- Division of Physical Therapy and Rehabilitation Science, University of Minnesota, Twin Cities, Minneapolis, MN 55455, USA.
| | - Victor H Barocas
- Department of Biomedical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN 55455, USA
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Boulanger SM, Mahna A, Alenabi T, Gatti AA, Culig O, Hynes LM, Chopp-Hurley JN. Investigating the reliability and validity of subacromial space measurements using ultrasound and MRI. J Orthop Surg Res 2023; 18:986. [PMID: 38135882 PMCID: PMC10740303 DOI: 10.1186/s13018-023-04482-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND While ultrasound (US) measures of the subacromial space (SAS) have demonstrated excellent reliability, measurements are typically captured by experts with extensive ultrasound experience. Further, the agreement between US measured SAS width and other imaging modalities has not been explored. This research evaluated the agreement between SAS measures captured by novice and expert raters and between US and magnetic resonance imaging (MRI). This study also evaluated the effect of US transducer tilt on measured SAS. METHODS Nine men and nine women participated in this study. US images were captured by a novice and expert with the participant in both seated and supine positions. An inclinometer was fixed to the US probe to measure transducer tilt. SAS width was measured in real time from freeze framed images. MRI images were captured, and the humerus and acromion manually segmented. The SAS width was measured using a custom algorithm. RESULTS Intraclass correlation coefficients (ICCs) between novice and expert raters were 0.74 and 0.63 for seated and supine positions, respectively. Intra-rater agreement was high for both novice (ICC = 0.83-0.84) and expert (ICC ≥ 0.94) raters. Agreement between US and MRI was poor (ICC = 0.21-0.49) but linearly related. CONCLUSIONS Moderate agreement between novice and expert raters was demonstrated, while the agreement between US and MRI was poor. High intra-rater reliability within each rater suggests that US measures of the SAS may be completed by a novice with introductory training.
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Affiliation(s)
- Stephen M Boulanger
- School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada
| | - Alexandra Mahna
- School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada
| | - Talia Alenabi
- Department of Kinesiology, University of Waterloo, Waterloo, ON, Canada
| | - Anthony A Gatti
- Department of Radiology, Stanford University, Stanford, CA, USA
- NeuralSeg Ltd., Hamilton, ON, Canada
| | - Oriana Culig
- School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada
| | - Loriann M Hynes
- School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada
| | - Jaclyn N Chopp-Hurley
- School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada.
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Lee ECS, Young NM, Rainbow MJ. A comparative approach for characterizing the relationship among morphology, range-of-motion and locomotor behaviour in the primate shoulder. Proc Biol Sci 2023; 290:20231446. [PMID: 37848066 PMCID: PMC10581761 DOI: 10.1098/rspb.2023.1446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 09/08/2023] [Indexed: 10/19/2023] Open
Abstract
Shoulder shape directly impacts forelimb function by contributing to glenohumeral (GH) range-of-motion (ROM). However, identifying traits that contribute most to ROM and visualizing how they do so remains challenging, ultimately limiting our ability to reconstruct function and behaviour in fossil species. To address these limitations, we developed an in silico proximity-driven model to simulate and visualize three-dimensional (3D) GH rotations in living primate species with diverse locomotor profiles, identify those shapes that are most predictive of ROM using geometric morphometrics, and apply subsequent insights to interpret function and behaviour in the fossil hominin Australopithecus sediba. We found that ROM metrics that incorporated 3D rotations best discriminated locomotor groups, and the magnitude of ROM (mobility) was decoupled from the anatomical location of ROM (e.g. high abduction versus low abduction). Morphological traits that enhanced mobility were decoupled from those that enabled overhead positions, and all non-human apes possessed the latter but not necessarily the former. Model simulation in A. sediba predicted high mobility and a ROM centred at lower abduction levels than in living apes but higher than in modern humans. Together these results identify novel form-to-function relationships in the shoulder and enhance visualization tools to reconstruct past function and behaviour.
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Affiliation(s)
- Erin C. S. Lee
- Department of Mechanical and Materials Engineering, Queen's University, Kingston, Ontario, Canada K7L 2V9
| | - Nathan M. Young
- Department of Orthopaedic Surgery, University of California, San Francisco, CA 94110, USA
| | - Michael J. Rainbow
- Department of Mechanical and Materials Engineering, Queen's University, Kingston, Ontario, Canada K7L 2V9
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Takahashi Y, Nishinaka N, Furuya K, Ikeda T, Jinno T, Okawa A, Sakai T. Analysis of in vivo humeral rotation of reverse total shoulder arthroplasty patients during shoulder abduction on the scapular plane with a load. ARTHROPLASTY 2023; 5:51. [PMID: 37794512 PMCID: PMC10552275 DOI: 10.1186/s42836-023-00207-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 08/27/2023] [Indexed: 10/06/2023] Open
Abstract
BACKGROUND Few studies have investigated the kinematics after reverse total shoulder arthroplasty (RTSA). This study aimed to compare the shoulder kinematics in RTSA patients during shoulder abduction on the scapular plane with and without a load and yield information regarding the function of stabilizing the joints against gravity for the functional assessment of the shoulder after RTSA, which could lead to changes in postoperative rehabilitation treatment. METHODS Twenty RTSA patients (7 men, 13 women; mean age: 78.1 [64-90] years) were examined. First, active shoulder abduction in the scapular plane was captured using single-plane fluoroscopic X-ray images. Imaging was performed by stipulating that one shoulder abduction cycle should be completed in 6 s. Two trials were conducted: one under a load equivalent to 2% of body weight and one without a load. Next, a three-dimensional (3D) model of each humeral and scapular component was matched to the silhouette of the fluoroscopic image to estimate the 3D dynamics. By using the 3D dynamic model obtained, the kinematics of the glenosphere and humeral implant were calculated relative to the shoulder abduction angle on the scapular plane and were compared between groups with and without a load. A one-way analysis of variance and a post hoc paired t-test with a statistical significance level of 0.05 were performed. RESULTS The humeral internal rotation decreased with a load at shoulder abduction between 40° and 90° on the scapular plane (P < 0.01, effect size: 0.15). No significant differences in scapular upward rotation (P = 0.57, effect size: 0.022), external rotation (P = 0.83, effect size: 0.0083) and posterior tilting (P = 0.74, effect size: 0.013) were observed between groups with and without a load. The main effect was not observed with and without a load (P = 0.86, effect size: 0.0072). However, the scapulohumeral rhythm was significantly greater without a load during shoulder joint abduction between 40° and 60° on the scapular plane. CONCLUSION In RTSA patients, the glenohumeral joint was less internally rotated, and the scapulohumeral rhythm decreased under loaded conditions. It was stabilized against the load through the mechanical advantage of the deltoid muscle and other muscles.
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Affiliation(s)
- Yuji Takahashi
- Department of Rehabilitation Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan.
- Showa University School of Nursing and Rehabilitation Science, 1865 Tohkaichiba-Cho Midori-Ku, Yokohama, Kanagawa, 226-8555, Japan.
| | - Naoya Nishinaka
- Showa University Faculty of Health Care, 1865 Tohkaichiba-Cho Midori-Ku, Yokohama, Kanagawa, 226-8555, Japan
- Showa University Research Institute for Sport and Exercise Sciences, 2-1-1 Fujigaoka Aoba-Ku, Yokohama, Kanagawa, 227-8518, Japan
- Department of Orthopaedic Surgery, Showa University Fujigaoka Hospital, 1-30 Fujigaoka Aoba-Ku, Yokohama, Kanagawa, 227-8501, Japan
| | - Kanji Furuya
- Showa University Research Institute for Sport and Exercise Sciences, 2-1-1 Fujigaoka Aoba-Ku, Yokohama, Kanagawa, 227-8518, Japan
- Department of Orthopaedic Surgery, Showa University Fujigaoka Hospital, 1-30 Fujigaoka Aoba-Ku, Yokohama, Kanagawa, 227-8501, Japan
| | - Takashi Ikeda
- Showa University School of Nursing and Rehabilitation Science, 1865 Tohkaichiba-Cho Midori-Ku, Yokohama, Kanagawa, 226-8555, Japan
| | - Tetsuya Jinno
- Department of Orthopaedic Surgery, Dokkyo Medical University Saitama Medical Center, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan
| | - Atsushi Okawa
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Tomoko Sakai
- Department of Rehabilitation Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
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Burton W, Crespo IR, Andreassen T, Pryhoda M, Jensen A, Myers C, Shelburne K, Banks S, Rullkoetter P. Fully automatic tracking of native glenohumeral kinematics from stereo-radiography. Comput Biol Med 2023; 163:107189. [PMID: 37393783 DOI: 10.1016/j.compbiomed.2023.107189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/12/2023] [Accepted: 06/19/2023] [Indexed: 07/04/2023]
Abstract
The current work introduces a system for fully automatic tracking of native glenohumeral kinematics in stereo-radiography sequences. The proposed method first applies convolutional neural networks to obtain segmentation and semantic key point predictions in biplanar radiograph frames. Preliminary bone pose estimates are computed by solving a non-convex optimization problem with semidefinite relaxations to register digitized bone landmarks to semantic key points. Initial poses are then refined by registering computed tomography-based digitally reconstructed radiographs to captured scenes, which are masked by segmentation maps to isolate the shoulder joint. A particular neural net architecture which exploits subject-specific geometry is also introduced to improve segmentation predictions and increase robustness of subsequent pose estimates. The method is evaluated by comparing predicted glenohumeral kinematics to manually tracked values from 17 trials capturing 4 dynamic activities. Median orientation differences between predicted and ground truth poses were 1.7∘ and 8.6∘ for the scapula and humerus, respectively. Joint-level kinematics differences were less than 2∘ in 65%, 13%, and 63% of frames for XYZ orientation DoFs based on Euler angle decompositions. Automation of kinematic tracking can increase scalability of tracking workflows in research, clinical, or surgical applications.
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Affiliation(s)
- William Burton
- Center for Orthopaedic Biomechanics, University of Denver, 2155 E. Wesley Ave., Denver, CO, 80210, USA.
| | - Ignacio Rivero Crespo
- Center for Orthopaedic Biomechanics, University of Denver, 2155 E. Wesley Ave., Denver, CO, 80210, USA
| | - Thor Andreassen
- Center for Orthopaedic Biomechanics, University of Denver, 2155 E. Wesley Ave., Denver, CO, 80210, USA
| | - Moira Pryhoda
- Center for Orthopaedic Biomechanics, University of Denver, 2155 E. Wesley Ave., Denver, CO, 80210, USA
| | - Andrew Jensen
- Department of Mechanical and Aerospace Engineering, University of Florida, 939 Center Dr., Gainesville, FL, 32611, USA
| | - Casey Myers
- Center for Orthopaedic Biomechanics, University of Denver, 2155 E. Wesley Ave., Denver, CO, 80210, USA
| | - Kevin Shelburne
- Center for Orthopaedic Biomechanics, University of Denver, 2155 E. Wesley Ave., Denver, CO, 80210, USA
| | - Scott Banks
- Department of Mechanical and Aerospace Engineering, University of Florida, 939 Center Dr., Gainesville, FL, 32611, USA
| | - Paul Rullkoetter
- Center for Orthopaedic Biomechanics, University of Denver, 2155 E. Wesley Ave., Denver, CO, 80210, USA
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Vila-Dieguez O, Heindel MD, Awokuse D, Kulig K, Michener LA. Exercise for rotator cuff tendinopathy: Proposed mechanisms of recovery. Shoulder Elbow 2023; 15:233-249. [PMID: 37325389 PMCID: PMC10268139 DOI: 10.1177/17585732231172166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 04/08/2023] [Accepted: 04/11/2023] [Indexed: 06/17/2023]
Abstract
Rotator cuff (RC) tendinopathy is a common recurrent cause of shoulder pain, and resistance exercise is the first-line recommended intervention. Proposed causal mechanisms of resistance exercise for patients with RC tendinopathy consist of four domains: tendon structure, neuromuscular factors, pain and sensorimotor processing, and psychosocial factors. Tendon structure plays a role in RC tendinopathy, with decreased stiffness, increased thickness, and collagen disorganization. Neuromuscular performance deficits of altered kinematics, muscle activation, and force are present in RC tendinopathy, but advanced methods of assessing muscle performance are needed to fully assess these factors. Psychological factors of depression, anxiety, pain catastrophizing, treatment expectations, and self-efficacy are present and predict patient-reported outcomes. Central nervous system dysfunctions also exist, specifically altered pain and sensorimotor processing. Resisted exercise may normalize these factors, but limited evidence exists to explain the relationship of the four proposed domains to trajectory of recovery and defining persistent deficits limiting outcomes. Clinicians and researchers can use this model to understand how exercise mediates change in patient outcomes, develop subgroups to deliver patient-specific approach for treatment and define metrics to track recovery over time. Supporting evidence is limited, indicating the need for future studies characterizing mechanisms of recovery with exercise for RC tendinopathy.
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Affiliation(s)
- Oscar Vila-Dieguez
- Division of Biokinesiology & Physical Therapy, University of Southern California, Los Angeles, CA, USA
| | - Matthew D. Heindel
- Division of Biokinesiology & Physical Therapy, University of Southern California, Los Angeles, CA, USA
| | - Daniel Awokuse
- Division of Biokinesiology & Physical Therapy, University of Southern California, Los Angeles, CA, USA
| | - Kornelia Kulig
- Division of Biokinesiology & Physical Therapy, University of Southern California, Los Angeles, CA, USA
| | - Lori A. Michener
- Division of Biokinesiology & Physical Therapy, University of Southern California, Los Angeles, CA, USA
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Daher B, Hunter J, Athwal GS, Lalone EA. How does computed tomography inform our understanding of shoulder kinematics? A structured review. Med Biol Eng Comput 2023; 61:967-989. [PMID: 36692800 DOI: 10.1007/s11517-022-02755-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/22/2022] [Indexed: 01/25/2023]
Abstract
The objective of this structured review was to review how computed tomography (CT) scanning has been used to measure the kinematics of the shoulder. A literature search was conducted using Evidence-based Medicine Reviews (Embase) and PubMed. In total, 29 articles were included in the data extraction process. Forty percent of the studies evaluated healthy participants' shoulder kinematics. The glenohumeral joint was the most studied, followed by the scapulothoracic, acromioclavicular, and sternoclavicular joints. Three-dimensional computed tomography (3DCT) and 3DCT with biplane fluoroscopy are the two primary imaging techniques that have been used to measure shoulder joints' motion under different conditions. Finally, many discrepancies in the reporting of the examined motions were found. Different authors used different perspectives and planes to report similar motions, which results in confusion and misunderstanding of the actual examined motion. The use of 3DCT has been widely used in the examination of shoulder kinematics in a variety of populations with varying methods employed. Future work is needed to extend these methodologies to include more diverse populations, to examine the shoulder complex as a whole, and to standardize their reporting of motion examined to make study to study comparisons possible.
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Affiliation(s)
- Baraa Daher
- Faculty of Engineering, School of Biomedical Engineering, Western University, London, Canada.,Department of Mechanical and Materials Engineering, The University of Western Ontario, Thompson Engineering Building, Room 353, London, ON, N6A 5B9, Canada.,Bone and Joint Institute, Western University, London, Canada
| | - James Hunter
- Faculty of Engineering, School of Biomedical Engineering, Western University, London, Canada.,Department of Mechanical and Materials Engineering, The University of Western Ontario, Thompson Engineering Building, Room 353, London, ON, N6A 5B9, Canada
| | - George S Athwal
- Bone and Joint Institute, Western University, London, Canada.,Department of Surgery, Western University, London, Canada.,Roth
- McFarlane Hand and Upper Limb Centre, St. Joseph's Health Care, London, ON, Canada.,Lawson Health Research Institute, London, ON, Canada
| | - Emily A Lalone
- Faculty of Engineering, School of Biomedical Engineering, Western University, London, Canada. .,Department of Mechanical and Materials Engineering, The University of Western Ontario, Thompson Engineering Building, Room 353, London, ON, N6A 5B9, Canada. .,Bone and Joint Institute, Western University, London, Canada. .,Department of Surgery, Western University, London, Canada. .,Roth
- McFarlane Hand and Upper Limb Centre, St. Joseph's Health Care, London, ON, Canada. .,Lawson Health Research Institute, London, ON, Canada.
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Sulkar HJ, Aliaj K, Tashjian RZ, Chalmers PN, Foreman KB, Henninger HB. Reverse Total Shoulder Arthroplasty Alters Humerothoracic, Scapulothoracic, and Glenohumeral Motion During Weighted Scaption. Clin Orthop Relat Res 2022; 480:2254-2265. [PMID: 35857295 PMCID: PMC9555951 DOI: 10.1097/corr.0000000000002321] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 06/22/2022] [Indexed: 01/31/2023]
Abstract
BACKGROUND Reverse total shoulder arthroplasty (rTSA) typically restores active arm elevation. Prior studies in patients with rTSA during tasks that load the arm had limitations that obscured underlying three-dimensional (3D) kinematic changes and the origins of motion restrictions. Understanding the scapulothoracic and glenohumeral contributions to loaded arm elevation will uncover where functional deficits arise and inform strategies to improve rTSA outcomes. QUESTIONS/PURPOSES In a cohort of patients who had undergone rTSA and a control cohort, we asked: (1) Is there a difference in maximum humerothoracic elevation when scapular plane elevation (scaption) is performed with and without a handheld weight? (2) Is maximum humerothoracic elevation related to factors like demographics, patient-reported outcome scores, isometric strength, and scapular notching (in the rTSA group only)? (3) Are there differences in underlying 3D scapulothoracic and glenohumeral motion during scaption with and without a handheld weight? METHODS Ten participants who underwent rTSA (six males, four females; age 73 ± 8 years) were recruited at follow-up visits if they were more than 1 year postoperative (24 ± 11 months), had a BMI less than 35 kg/m 2 (29 ± 4 kg/m 2 ), had a preoperative CT scan, and could perform pain-free scaption. Data from 10 participants with a nonpathologic shoulder, collected previously (five males, five females; age 58 ± 7 years; BMI 26 ± 3 kg/m 2 ), were a control group with the same high-resolution quantitative metrics available for comparison. Participants in both groups performed scaption with and without a 2.2-kg handheld weight while being imaged with biplane fluoroscopy. Maximum humerothoracic elevation and 3D scapulothoracic and glenohumeral kinematics across their achievable ROM were collected via dynamic imaging. In the same session the American Shoulder and Elbow Surgeons (ASES) score, the Simple Shoulder Test (SST), and isometric strength were collected. Data were compared between weighted and unweighted scaption using paired t-tests and linear mixed-effects models. RESULTS When compared with unweighted scaption, maximum humerothoracic elevation decreased during weighted scaption for patients who underwent rTSA (-25° ± 30°; p = 0.03) but not for the control group (-2° ± 5°; p = 0.35). In the rTSA group, maximum elevation correlated with the ASES score (r = 0.72; p = 0.02), and weighted scaption correlated with BMI (r = 0.72; p = 0.02) and the SST (r = 0.76; p = 0.01). Scapular notching was observed in three patients after rTSA (Grades 1 and 2). Four of 10 patients who underwent rTSA performed weighted scaption to less than 90° humerothoracic elevation using almost exclusively scapulothoracic motion, with little glenohumeral contribution. This manifested as changes in the estimated coefficient representing mean differences in slopes in the humerothoracic plane of elevation (-12° ± 2°; p < 0.001) and true axial rotation (-16° ± 2°; p < 0.001), scapulothoracic upward rotation (7° ± 1°; p < 0.001), and glenohumeral elevation (-12° ± 1°; p < 0.001), plane of elevation (-8° ± 3°; p = 0.002), and true axial rotation (-11° ± 2°; p < 0.001). The control group demonstrated small differences between scaption activities (< |2°|), but a 10° increase in humerothoracic and glenohumeral axial rotation (both p < 0.001). CONCLUSION After rTSA surgery, maximum humerothoracic elevation decreased during weighted scaption by up to 88° compared with unweighted scaption, whereas 4 of 10 patients could not achieve more than 90° of elevation. These patients exhibited appreciable changes in nearly all scapulothoracic and glenohumeral degrees of freedom, most notably a near absence of glenohumeral elevation during weighted scaption. Patients with rTSA have unique strategies to elevate their arms, often with decreased glenohumeral motion and resultant compensation in scapulothoracic motion. In contrast, the control group showed few differences when lifting a handheld weight. CLINICAL RELEVANCE Functional deficiency in activities that load the shoulder after rTSA surgery can affect patient independence, and they may be prevalent but not captured in clinical studies. Pre- or postoperative rehabilitation to strengthen scapular stabilizers and the deltoid should be evaluated against postoperative shoulder function. Further study is required to determine the etiology of deficient glenohumeral motion after rTSA, and the most effective surgical and/or rehabilitative strategies to restore deficient glenohumeral motion after rTSA.
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Affiliation(s)
- Hema J. Sulkar
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA
- Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, USA
| | - Klevis Aliaj
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA
- Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, USA
| | | | - Peter N. Chalmers
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA
| | - K. Bo Foreman
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, UT, USA
| | - Heath B. Henninger
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA
- Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, USA
- Department of Mechanical Engineering, University of Utah, Salt Lake City, UT, USA
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11
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Reliability of the Fluoroscopic Assessment of Load-Induced Glenohumeral Translation during a 30° Shoulder Abduction Test. BIOMECHANICS 2022; 2:255-263. [PMID: 35677586 PMCID: PMC7612827 DOI: 10.3390/biomechanics2020020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Rotator cuff tears are often linked to superior translational instability, but a thorough understanding of glenohumeral motion is lacking. This study aimed to assess the reliability of fluoroscopically measured glenohumeral translation during a shoulder abduction test. Ten patients with rotator cuff tears participated in this study. Fluoroscopic images were acquired during 30° abduction and adduction in the scapular plane with and without handheld weights of 2 kg and 4 kg. Images were labelled by two raters, and inferior–superior glenohumeral translation was calculated. During abduction, glenohumeral translation (mean (standard deviation)) ranged from 3.3 (2.2) mm for 0 kg to 4.1 (1.8) mm for 4 kg, and from 2.3 (1.5) mm for 0 kg to 3.8 (2.2) mm for 4 kg for the asymptomatic and symptomatic sides, respectively. For the translation range, moderate to good interrater (intra-class correlation coefficient ICC [95% confidence interval (CI)]; abduction: 0.803 [0.691; 0.877]; adduction: 0.705 [0.551; 0.813]) and intrarater reliabilities (ICC [95% CI]; abduction: 0.817 [0.712; 0.887]; adduction: 0.688 [0.529; 0.801]) were found. Differences in the translation range between the repeated measurements were not statistically significant (mean difference, interrater: abduction, −0.1 mm, p = 0.686; adduction, −0.1 mm, p = 0.466; intrarater: abduction 0.0 mm, p = 0.888; adduction, 0.2 mm, p = 0.275). This method is suitable for measuring inferior–superior glenohumeral translation in the scapular plane.
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12
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Mozingo JD, Akbari-Shandiz M, Van Straaten MG, Murthy NS, Schueler BA, Holmes DR, McCollough CH, Zhao KD. Comparison of glenohumeral joint kinematics between manual wheelchair tasks and implications on the subacromial space: A biplane fluoroscopy study. J Electromyogr Kinesiol 2022; 62:102350. [PMID: 31481296 PMCID: PMC7036020 DOI: 10.1016/j.jelekin.2019.08.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 07/12/2019] [Accepted: 08/19/2019] [Indexed: 02/03/2023] Open
Abstract
Scapula and humerus motion associated with common manual wheelchair tasks is hypothesized to reduce the subacromial space. However, previous work relied on either marker-based motion capture for kinematic measures, which is prone to skin-motion artifact; or ultrasound imaging for arthrokinematic measures, which are 2D and acquired in statically-held positions. The aim of this study was to use a fluoroscopy-based approach to accurately quantify glenohumeral kinematics during manual wheelchair use, and compare tasks for a subset of parameters theorized to be associated with mechanical impingement. Biplane images of the dominant shoulder were acquired during scapular plane elevation, propulsion, sideways lean, and weight-relief raise in ten manual wheelchair users with spinal cord injury. A computed tomography scan of the shoulder was obtained, and model-based tracking was used to quantify six-degree-of-freedom glenohumeral kinematics. Axial rotation and superior/inferior and anterior/posterior humeral head positions were characterized for full activity cycles and compared between tasks. The change in the subacromial space was also determined for the period of each task defined by maximal change in the aforementioned parameters. Propulsion, sideways lean, and weight-relief raise, but not scapular plane elevation, were marked by mean internal rotation (8.1°, 10.8°, 14.7°, -49.2° respectively). On average, the humeral head was most superiorly positioned during the weight-relief raise (1.6 ± 0.9 mm), but not significantly different from the sideways lean (0.8 ± 1.1 mm) (p = 0.191), and much of the task was characterized by inferior translation. Scaption was the only task without a defined period of superior translation on average. Pairwise comparisons revealed no significant differences between tasks for anterior/posterior position (task means range: 0.1-1.7 mm), but each task exhibited defined periods of anterior translation. There was not a consistent trend across tasks between internal rotation, superior translation, and anterior translation with reductions in the subacromial space. Further research is warranted to determine the likelihood of mechanical impingement during these tasks based on the measured task kinematics and reductions in the subacromial space.
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Affiliation(s)
- Joseph D. Mozingo
- Biomedical Engineering and Physiology Graduate Program,
Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN,
USA,Department of Physical Medicine and Rehabilitation, Mayo
Clinic, Rochester, MN, USA
| | | | | | | | | | - David R. Holmes
- Department of Physiology and Biomedical Engineering, Mayo
Clinic, Rochester, MN, USA
| | | | - Kristin D. Zhao
- Department of Physical Medicine and Rehabilitation, Mayo
Clinic, Rochester, MN, USA
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13
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Staker JL, Braman JP, Ludewig PM. Kinematics and biomechanical validity of shoulder joint laxity tests as diagnostic criteria in multidirectional instability. Braz J Phys Ther 2021; 25:883-890. [PMID: 34863644 DOI: 10.1016/j.bjpt.2021.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 07/21/2021] [Accepted: 10/04/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Clinical laxity tests are commonly used together to identify individuals with multidirectional instability (MDI). However, their biomechanical validity in distinguishing distinct biomechanical characteristics consistent with MDI has not been demonstrated. OBJECTIVE To determine if differences in glenohumeral (GH) joint laxity exist between individuals diagnosed with multidirectional instability (MDI) and asymptomatic matched controls without MDI. METHODS Eighteen participants (9 swimmers with MDI, 9 non-swimming asymptomatic matched controls without MDI) participated in this observational study. Participants were classified as having MDI with a composite laxity score from three laxity tests (anterior/posterior drawer and sulcus tests). Single plane dynamic fluoroscopy captured joint motion with 2D-3D joint registration to derive 3D joint kinematics. Average GH translations occurring during the laxity tests were compared between groups using an independent sample's t-test. The relationship of composite laxity scores to overall translations was examined with a simple linear regression. Differences of each laxity test translation between groups were analyzed with a two-way repeated measures ANOVA. RESULTS Mean composite translations for swimmers were 1.7 mm greater (p = 0.04, 95% Confidence Interval (CI): 0.1, 3.3 mm) compared to controls. A moderate association occurred (r2 = 0.40, p = 0.005) between composite laxity scores and composite translation. Greater translations for the posterior drawer (-2.4 mm, p = 0.04, 95% CI: -0.1, -4.6) and sulcus tests (-2.7 mm, p = 0.03, 95% CI: -0.3, -5.0) existed in swimmers compared to controls. CONCLUSION Significant differences in composite translation existed between symptomatic swimmers with MDI and asymptomatic control participants without MDI during GH joint laxity tests. The results provide initial biomechanically based construct validity for the clinical criteria used to identify individuals with MDI.
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Affiliation(s)
- Justin L Staker
- Divisions of Rehabilitation Science and Physical Therapy, Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN, United States.
| | - Jonathan P Braman
- Department of Orthopedic Surgery, University of Minnesota, Minneapolis, MN, United States
| | - Paula M Ludewig
- Divisions of Rehabilitation Science and Physical Therapy, Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN, United States
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14
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Huang Y, Ernstbrunner L, Robinson DL, Lee PVS, Ackland DC. Complications of Reverse Total Shoulder Arthroplasty: A Computational Modelling Perspective. J Clin Med 2021; 10:5336. [PMID: 34830616 PMCID: PMC8625535 DOI: 10.3390/jcm10225336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/09/2021] [Accepted: 11/09/2021] [Indexed: 11/29/2022] Open
Abstract
Reverse total shoulder arthroplasty (RTSA) is an established treatment for elderly patients with irreparable rotator cuff tears, complex proximal humerus fractures, and revision arthroplasty; however, with the increasing indications for RTSA over the last decade and younger implant recipients, post-operative complications have become more frequent, which has driven advances in computational modeling and simulation of reverse shoulder biomechanics. The objective of this study was to provide a review of previously published studies that employed computational modeling to investigate complications associated with RTSA. Models and applications were reviewed and categorized into four possible complications that included scapular notching, component loosening, glenohumeral joint instability, and acromial and scapular spine fracture, all of which remain a common cause of significant functional impairment and revision surgery. The computational shoulder modeling studies reviewed were primarily used to investigate the effects of implant design, intraoperative component placement, and surgical technique on postoperative shoulder biomechanics after RTSA, with the findings ultimately used to elucidate and mitigate complications. The most significant challenge associated with the development of computational models is in the encapsulation of patient-specific anatomy and surgical planning. The findings of this review provide a basis for future direction in computational modeling of the reverse shoulder.
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Affiliation(s)
- Yichen Huang
- Department of Biomedical Engineering, University of Melbourne, Parkville, VIC 3010, Australia; (Y.H.); (L.E.); (D.L.R.); (P.V.S.L.)
| | - Lukas Ernstbrunner
- Department of Biomedical Engineering, University of Melbourne, Parkville, VIC 3010, Australia; (Y.H.); (L.E.); (D.L.R.); (P.V.S.L.)
- Department of Orthopaedic Surgery, Royal Melbourne Hospital, Parkville, VIC 3050, Australia
- Melbourne Orthopaedic Group, Windsor, VIC 3181, Australia
| | - Dale L. Robinson
- Department of Biomedical Engineering, University of Melbourne, Parkville, VIC 3010, Australia; (Y.H.); (L.E.); (D.L.R.); (P.V.S.L.)
| | - Peter Vee Sin Lee
- Department of Biomedical Engineering, University of Melbourne, Parkville, VIC 3010, Australia; (Y.H.); (L.E.); (D.L.R.); (P.V.S.L.)
| | - David C. Ackland
- Department of Biomedical Engineering, University of Melbourne, Parkville, VIC 3010, Australia; (Y.H.); (L.E.); (D.L.R.); (P.V.S.L.)
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15
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Lawrence RL, Zauel R, Bey MJ. Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography. J Vis Exp 2021. [PMID: 33779606 DOI: 10.3791/62210] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
The shoulder is one of the human body's most complex joint systems, with motion occurring through the coordinated actions of four individual joints, multiple ligaments, and approximately 20 muscles. Unfortunately, shoulder pathologies (e.g., rotator cuff tears, joint dislocations, arthritis) are common, resulting in substantial pain, disability, and decreased quality of life. The specific etiology for many of these pathologic conditions is not fully understood, but it is generally accepted that shoulder pathology is often associated with altered joint motion. Unfortunately, measuring shoulder motion with the necessary level of accuracy to investigate motion-based hypotheses is not trivial. However, radiographic-based motion measurement techniques have provided the advancement necessary to investigate motion-based hypotheses and provide a mechanistic understanding of shoulder function. Thus, the purpose of this article is to describe the approaches for measuring shoulder motion using a custom biplanar videoradiography system. The specific objectives of this article are to describe the protocols to acquire biplanar videoradiographic images of the shoulder complex, acquire CT scans, develop 3D bone models, locate anatomical landmarks, track the position and orientation of the humerus, scapula, and torso from the biplanar radiographic images, and calculate the kinematic outcome measures. In addition, the article will describe special considerations unique to the shoulder when measuring joint kinematics using this approach.
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Affiliation(s)
- Rebekah L Lawrence
- Bone and Joint Center, Department of Orthopaedic Surgery, Henry Ford Health System
| | - Roger Zauel
- Bone and Joint Center, Department of Orthopaedic Surgery, Henry Ford Health System
| | - Michael J Bey
- Bone and Joint Center, Department of Orthopaedic Surgery, Henry Ford Health System;
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16
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Su P, Zhou JL, Liu F, Zhang Y. Application of Image Registration to Analyze the Clavicular Rotation of Normal Upper Limb Motion in the Sagittal Plane. Orthop Surg 2021; 13:493-500. [PMID: 33569907 PMCID: PMC7957416 DOI: 10.1111/os.12941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 12/24/2020] [Accepted: 12/30/2020] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVE To use image registration techniques to study the clavicular rotation of the shoulders in the sagittal plane. METHODS From 28 April 2019 to 20 May 2019, 13 healthy adults (7 males and 6 females) with no history of shoulder trauma surgery or chronic pain were recruited. Patients' ages ranged from 22 to 42 years, with a mean age of 26.5 years. Three-dimensional composite images of the sternum-clavicle-humerus were taken using CT images of upper limb movement in the sagittal plane in the 13 healthy adults. Four different postures were registered: (i) anatomical supine position; (ii) elbow joints lifted anteriorly in the supine position; (iii) posterosuperior hyperextension of the elbow joints in the prone position; and (iv) posteroinferior hyperextension of the elbow joints in the prone position. Image data from the humerus and clavicle in three of the postures were processed to calculate Euler angles for movements in the sagittal plane. SPSS 19 was used to perform statistical analyses. RESULTS There was no significant difference in the angles of change in the clavicle and humerus between the dominant and non-dominant sides under different movement patterns. For upper limb movements in the sagittal plane, the clavicle displayed different Euler angles in different postures. The rotation angle from the anatomical to the horizontal position was the smallest angle, with an average value of 7.1°, whereas the rotation angle from horizontal to posterosuperior hyperextension was the largest, with an average value of 37.2°. When the upper limb moved from anterior protraction to a posterosuperior extension, the intrinsic rotation angle of the clavicle reached its maximum, with an average value of 27.9°; when moved from the anatomical to the horizontal position, 9.1% of the sagittal rotation was executed by the clavicle. During rotation from the horizontal position to posterosuperior hyperextension and from the anatomical to posterior extension, the clavicle showed relatively higher weights at 29.5% and 37.0%, respectively. CONCLUSION Our results showed that dominance was not a consideration when studying clavicular rotation. Image registration is an effective method that can be used to study upper limb scapular movements. Through comparing and analyzing the data, two postures had relatively large changes in the rotation angle. This can help improve indicators of clavicular rotational function during physical examinations and postoperative functional evaluations.
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Affiliation(s)
- Peng Su
- Department of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.,Department of Orthopaedics, Beijing Shijingshan Hospital, Capital Medical University, Beijing, China
| | - Jun-Lin Zhou
- Department of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Feng Liu
- Department of Orthopaedics, Beijing Shijingshan Hospital, Capital Medical University, Beijing, China
| | - Yi Zhang
- Department of Orthopaedics, Beijing Shijingshan Hospital, Capital Medical University, Beijing, China
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17
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Matsuki K, Sugaya H, Takahashi N, Tokai M, Ueda Y, Hoshika S, Hamada H, Banks SA. Three-dimensional measurement of proximal radioulnar space during active forearm pronation. J Biomech 2020; 113:110120. [PMID: 33197690 DOI: 10.1016/j.jbiomech.2020.110120] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 10/23/2020] [Accepted: 10/29/2020] [Indexed: 11/30/2022]
Abstract
Distal biceps tendon ruptures have been reported to be associated with narrowing of the proximal radioulnar space. There have been no studies that three-dimensionally measured the distance between the bicipital tuberosity and the proximal ulna during active motion. The purpose of this study was to three-dimensionally measure the proximal radioulnar space during active forearm pronation in healthy subjects. Five healthy volunteers (10 forearms) were recruited for this study. They consisted of all males with a mean age of 37 years (range, 34-46 years). Lateral fluoroscopy of forearm rotation from maximum supination to maximum pronation was recorded for both forearms. Three-dimensional forearm kinematics were determined using model-image registration techniques with fluoroscopic images and CT-derived bone models, and the closest distance between the bicipital tuberosity and the proximal ulna was computed at each 30° increment of radial axial rotation relative to the distal humerus. The distance between the bicipital tuberosity and the proximal ulna decreased with pronation, reaching a minimum value at 90° of radial rotation (average 4.6 ± 1.3 mm), then increased with further rotation to maximum pronation (P = 0.004). The clearance between the proximal radioulnar space and the distal biceps tendon is very small (<1mm). Hypertrophy of the bicipital tuberosity or tendon can induce impingement and lead to tendon rupture.
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Affiliation(s)
- Keisuke Matsuki
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba 2740822, Japan; Department of Mechanical & Aerospace Engineering, University of Florida, 330 MAE-A P.O. Box 116250, Gainesville, FL 32611-6250, USA.
| | - Hiroyuki Sugaya
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba 2740822, Japan
| | - Norimasa Takahashi
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba 2740822, Japan
| | - Morihito Tokai
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba 2740822, Japan
| | - Yusuke Ueda
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba 2740822, Japan
| | - Shota Hoshika
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba 2740822, Japan
| | - Hiroshige Hamada
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba 2740822, Japan
| | - Scott A Banks
- Department of Mechanical & Aerospace Engineering, University of Florida, 330 MAE-A P.O. Box 116250, Gainesville, FL 32611-6250, USA
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18
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Aliaj K, Feeney GM, Sundaralingam B, Hermans T, Foreman KB, Bachus KN, Henninger HB. Replicating dynamic humerus motion using an industrial robot. PLoS One 2020; 15:e0242005. [PMID: 33166328 PMCID: PMC7652298 DOI: 10.1371/journal.pone.0242005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 10/26/2020] [Indexed: 11/18/2022] Open
Abstract
Transhumeral percutaneous osseointegrated prostheses provide upper-extremity amputees with increased range of motion, more natural movement patterns, and enhanced proprioception. However, direct skeletal attachment of the endoprosthesis elevates the risk of bone fracture, which could necessitate revision surgery or result in loss of the residual limb. Bone fracture loads are direction dependent, strain rate dependent, and load rate dependent. Furthermore, in vivo, bone experiences multiaxial loading. Yet, mechanical characterization of the bone-implant interface is still performed with simple uni- or bi-axial loading scenarios that do not replicate the dynamic multiaxial loading environment inherent in human motion. The objective of this investigation was to reproduce the dynamic multiaxial loading conditions that the humerus experiences in vivo by robotically replicating humeral kinematics of advanced activities of daily living typical of an active amputee population. Specifically, 115 jumping jack, 105 jogging, 15 jug lift, and 15 internal rotation trials-previously recorded via skin-marker motion capture-were replicated on an industrial robot and the resulting humeral trajectories were verified using an optical tracking system. To achieve this goal, a computational pipeline that accepts a motion capture trajectory as input and outputs a motion program for an industrial robot was implemented, validated, and made accessible via public code repositories. The industrial manipulator utilized in this study was able to robotically replicate over 95% of the aforementioned trials to within the characteristic error present in skin-marker derived motion capture datasets. This investigation demonstrates the ability to robotically replicate human motion that recapitulates the inertial forces and moments of high-speed, multiaxial activities for biomechanical and orthopaedic investigations. It also establishes a library of robotically replicated motions that can be utilized in future studies to characterize the interaction of prosthetic devices with the skeletal system, and introduces a computational pipeline for expanding this motion library.
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Affiliation(s)
- Klevis Aliaj
- Department of Orthopaedics, University of Utah, Salt Lake City, Utah, United States of America
- Department of Bimedical Engineering, University of Utah, Salt Lake City, Utah, United States of America
| | - Gentry M. Feeney
- Department of Orthopaedics, University of Utah, Salt Lake City, Utah, United States of America
- Department of Bimedical Engineering, University of Utah, Salt Lake City, Utah, United States of America
| | | | - Tucker Hermans
- School of Computing, University of Utah, Salt Lake City, Utah, United States of America
- Department of Mechanical Engineering, University of Utah, Salt Lake City, Utah, United States of America
| | - K. Bo Foreman
- Department of Orthopaedics, University of Utah, Salt Lake City, Utah, United States of America
- Department of Mechanical Engineering, University of Utah, Salt Lake City, Utah, United States of America
- Department of Physical Therapy & Athletic Training, University of Utah, Salt Lake City, Utah, United States of America
- U.S. Department of Veterans Affairs, Salt Lake City, Utah, United States of America
| | - Kent N. Bachus
- Department of Orthopaedics, University of Utah, Salt Lake City, Utah, United States of America
- Department of Bimedical Engineering, University of Utah, Salt Lake City, Utah, United States of America
- U.S. Department of Veterans Affairs, Salt Lake City, Utah, United States of America
| | - Heath B. Henninger
- Department of Orthopaedics, University of Utah, Salt Lake City, Utah, United States of America
- Department of Bimedical Engineering, University of Utah, Salt Lake City, Utah, United States of America
- Department of Mechanical Engineering, University of Utah, Salt Lake City, Utah, United States of America
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19
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Kim D, Lee B, Yeom J, Cha J, Han J. Three-dimensional in vivo comparative analysis of the kinematics of normal shoulders and shoulders with massive rotator cuff tears with successful conservative treatment. Clin Biomech (Bristol, Avon) 2020; 75:104990. [PMID: 32222472 DOI: 10.1016/j.clinbiomech.2020.104990] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Revised: 03/11/2020] [Accepted: 03/12/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND This study used in vivo three-dimensional to two-dimensional image registration techniques to compare the glenohumeral kinematics of shoulders with massive rotator cuff tears that were successfully treated conservatively and those of normal shoulders. METHODS Ten patients (age, 67.4 ± 3.63 years) with massive rotator cuff tears on one side and without contralateral tears were enrolled. We performed computed tomography and fluoroscopy on both shoulder joints and created three-dimensional bone models of the humerus and scapula using image registration techniques. We measured the humeral superoinferior translation, angle of humeral external rotation, scapular upward rotation, scapular anteroposterior tilt, and scapular external rotation of the torn shoulders with good range of motion after effective conservative treatment and compared these measurements to those of the contralateral normal shoulders. FINDINGS There was a significant difference in the initial position of the humeral head relative to the glenoid in the tear group; it was 2.0 mm higher than that in the normal group (p < .05). This difference disappeared in the range from 40° to full elevation. The scapular motion of the tear group was significantly more upwardly rotated than that of the normal group: by 9.9° at rest (p < .05) and by 11.6° at terminal elevation (p < .05). No significant differences were detected for humeral head external rotation, scapular anteroposterior tilt, and scapular external rotation between the two groups. INTERPRETATION Kinematics of shoulders with massive cuff tears could not be recovered completely even though the patients had no significant symptoms after successful conservative treatment.
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Affiliation(s)
- Doosup Kim
- Department of Orthopaedic Surgery, Wonju College of Medicine, Yonsei University, Wonju Severance Christian Hospital, Republic of Korea.
| | - Bonggun Lee
- Department of Orthopedic Surgery, Hanyang University, Seoul, Republic of Korea.
| | - Junseop Yeom
- Department of Orthopaedic Surgery, Wonju College of Medicine, Yonsei University, Wonju Severance Christian Hospital, Republic of Korea
| | - Jaehack Cha
- Department of Orthopaedic Surgery, Wonju College of Medicine, Yonsei University, Wonju Severance Christian Hospital, Republic of Korea
| | - Jinyoung Han
- Department of Orthopaedic Surgery, Wonju College of Medicine, Yonsei University, Wonju Severance Christian Hospital, Republic of Korea
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Mulla DM, Hodder JN, Maly MR, Lyons JL, Keir PJ. Glenohumeral stabilizing roles of the scapulohumeral muscles: Implications of muscle geometry. J Biomech 2020; 100:109589. [PMID: 31911053 DOI: 10.1016/j.jbiomech.2019.109589] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 12/17/2019] [Accepted: 12/18/2019] [Indexed: 10/25/2022]
Abstract
Dynamic stability provided by muscles is integral for function and integrity of the glenohumeral joint. Although the high degree of inter-individual variation that exists in musculoskeletal geometry is associated with shoulder injuries, there is limited research associating the effects of muscle geometry on the potential stabilizing capacities of shoulder muscles. The purpose of this investigation was to evaluate the stabilizing functions of the scapulohumeral muscles using computational modeling and to quantify the sensitivity of muscle stabilizing roles to changes in muscle geometry. Muscle stability ratios in the superior/inferior and anterior/posterior directions were computed as the ratio between the muscle's shear components relative to compression throughout arm elevation in the scapular plane. Muscle attachment locations on the clavicle, scapula, and humerus were iteratively adjusted using Monte Carlo simulations. Consistent with previous experimental studies, the rotator cuff muscles were identified as the primary stabilizers of the glenohumeral joint; whereas the deltoids and coracobrachialis have a strong potential for superiorly translating the humerus at low elevation angles. Variations in the stability ratios due to altered muscle geometry were muscle- and angle-specific. In general, the highest variation was observed for the subscapularis and deltoids (at low elevation angles), while the remaining rotator cuff muscles largely maintained their capacity to provide compressive stabilizing forces at the glenohumeral joint. Changes in muscle stability ratios may affect dynamic stability of the humerus that could differentially predispose individuals to greater risk for injury.
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Affiliation(s)
- Daanish M Mulla
- Department of Kinesiology, McMaster University, Hamilton, ON, Canada
| | - Joanne N Hodder
- Faculty of Applied Health & Community Studies, Sheridan College, Brampton, ON, Canada
| | - Monica R Maly
- Department of Kinesiology, McMaster University, Hamilton, ON, Canada; Department of Kinesiology, University of Waterloo, Waterloo, ON, Canada
| | - James L Lyons
- Department of Kinesiology, McMaster University, Hamilton, ON, Canada
| | - Peter J Keir
- Department of Kinesiology, McMaster University, Hamilton, ON, Canada.
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Grant MJ, Hawkes DH, McMahon J, Horsley I, Khaiyat OA. Vibration as an adjunct to exercise: its impact on shoulder muscle activation. Eur J Appl Physiol 2019; 119:1789-1798. [PMID: 31152231 DOI: 10.1007/s00421-019-04168-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 05/28/2019] [Indexed: 11/26/2022]
Abstract
PURPOSE There is an interest within elite sport in understanding the impact of a vibrating platform as an adjunct to exercise in the training and rehabilitation of throwing athletes. However, there has been no comprehensive evaluation of its impact on the rotator cuff muscles or its effect on the timing of shoulder muscle recruitment more globally. METHODS Twenty healthy participants were recruited with EMG recorded from 15 shoulder girdle muscles. Isometric shoulder flexion at 25% maximal voluntary contraction was performed in three testing scenarios [no vibration; whole body vibration (WBV); and arm vibration (AV)]. A press up and triceps dips with and without vibration were also performed. Muscular recruitment was assessed pre- and post-vibration exposure as participants initiated forward flexion. RESULTS Activation of the anterior deltoid (p = 0.002), serratus anterior (p = 0.004), and rotator cuff muscles (p = 0.004-0.022) occurred significantly earlier following exposure to vibration. Significantly greater activation was seen in the anterior, middle and posterior deltoid, upper, middle and lower trapezius, serratus anterior, teres major, latissimus dorsi, supraspinatus, and infraspinatus when the isometric contraction was performed with either WBV and/or AV (p = < 0.001-0.040). Similarly, increased activation was also demonstrated during the press up and triceps dips when performed with vibration. CONCLUSION The use of vibration as an adjunct to exercise provokes a near global increase in shoulder muscle activation level. Furthermore, exposure to vibration alters muscular recruitment improving readiness for movement. This has potential implications within elite sport for both training and game preparation; however, further longitudinal work is required.
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Affiliation(s)
- Michael J Grant
- Trauma and Orthopaedic Surgery, North West (Mersey) Deanery, Liverpool, UK
| | - David H Hawkes
- Trauma and Orthopaedic Surgery, North West (Mersey) Deanery, Liverpool, UK
- School of Health Sciences, Liverpool Hope University, Liverpool, UK
| | - Jessica McMahon
- School of Health Sciences, Liverpool Hope University, Liverpool, UK
| | - Ian Horsley
- England Institute for Sport, Sports City, Manchester, UK
| | - Omid A Khaiyat
- School of Health Sciences, Liverpool Hope University, Liverpool, UK.
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22
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Akhbari B, Morton AM, Moore DC, Weiss APC, Wolfe SW, Crisco JJ. Accuracy of biplane videoradiography for quantifying dynamic wrist kinematics. J Biomech 2019; 92:120-125. [PMID: 31174845 DOI: 10.1016/j.jbiomech.2019.05.040] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 04/26/2019] [Accepted: 05/26/2019] [Indexed: 10/26/2022]
Abstract
Accurately assessing the dynamic kinematics of the skeletal wrist could advance our understanding of the normal and pathological wrist. Biplane videoradiography (BVR) has allowed investigators to study dynamic activities in the knee, hip, and shoulder joint; however, currently, BVR has not been utilized for the wrist joint because of the challenges associated with imaging multiple overlapping bones. Therefore, our aim was to develop a BVR procedure and to quantify its accuracy for evaluation of wrist kinematics. BVR was performed on six cadaveric forearms for one neutral static and six dynamic tasks, including flexion-extension, radial-ulnar deviation, circumduction, pronation, supination, and hammering. Optical motion capture (OMC) served as the gold standard for assessing accuracy. We propose a feedforward tracking methodology, which uses a combined model of metacarpals (second and third) for initialization of the third metacarpal (MC3). BVR-calculated kinematic parameters were found to be consistent with the OMC-calculated parameters, and the BVR/OMC agreement had submillimeter and sub-degree biases in tracking individual bones as well as the overall joint's rotation and translation. All dynamic tasks (except pronation task) showed a limit of agreement within 1.5° for overall rotation, and within 1.3 mm for overall translations. Pronation task had a 2.1° and 1.4 mm limit of agreement for rotation and translation measurement. The poorest precision was achieved in calculating the pronation-supination angle, and radial-ulnar and volar-dorsal translational components, although they were sub-degree and submillimeter. The methodology described herein may assist those interested in examining the complexities of skeletal wrist function during dynamic tasks.
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Affiliation(s)
- Bardiya Akhbari
- Department of Biomedical Engineering, Brown University, Providence, RI 02912, United States
| | - Amy M Morton
- Department of Orthopedics, Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02912, United States
| | - Douglas C Moore
- Department of Orthopedics, Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02912, United States
| | - Arnold-Peter C Weiss
- Department of Orthopedics, Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02912, United States
| | - Scott W Wolfe
- Hand and Upper Extremity Center, Hospital for Special Surgery, New York, NY 10021, United States
| | - Joseph J Crisco
- Department of Biomedical Engineering, Brown University, Providence, RI 02912, United States; Department of Orthopedics, Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02912, United States.
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Patterns of muscle coordination during dynamic glenohumeral joint elevation: An EMG study. PLoS One 2019; 14:e0211800. [PMID: 30735521 PMCID: PMC6368381 DOI: 10.1371/journal.pone.0211800] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 01/21/2019] [Indexed: 11/19/2022] Open
Abstract
The shoulder relies heavily on coordinated muscle activity for normal function owing to its limited osseous constraint. However, previous studies have failed to examine the sophisticated interrelationship between all muscles. It is essential for these normal relationships to be defined as a basis for understanding pathology. Therefore, the primary aim of the study was to investigate shoulder inter-muscular coordination during different planes of shoulder elevation. Twenty healthy subjects were included. Electromyography was recorded from 14 shoulder girdle muscles as subjects performed shoulder flexion, scapula plane elevation, abduction and extension. Cross-correlation was used to examine the coordination between different muscles and muscle groups. Significantly higher coordination existed between the rotator cuff and deltoid muscle groups during the initial (Pearson Correlation Coefficient (PCC) = 0.79) and final (PCC = 0.74) stages of shoulder elevation compared to the mid-range (PCC = 0.34) (p = 0.020–0.035). Coordination between the deltoid and a functional adducting group comprising the latissimus dorsi and teres major was particularly high (PCC = 0.89) during early shoulder elevation. The destabilising force of the deltoid, during the initial stage of shoulder elevation, is balanced by the coordinated activity of the rotator cuff, latissimus dorsi and teres major. Stability requirements are lower during the mid-range of elevation. At the end-range of movement the demand for muscular stability again increases and higher coordination is seen between the deltoid and rotator cuff muscle groups. It is proposed that by appreciating the sophistication of normal shoulder function targeted evidence-based rehabilitation strategies for conditions such as subacromial impingement syndrome or shoulder instability can be developed.
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Rathi S, Taylor NF, Green RA. A comparison of glenohumeral joint translation between young and older asymptomatic adults using ultrasonography: a secondary analysis. Physiother Theory Pract 2019; 36:1354-1362. [PMID: 30704320 DOI: 10.1080/09593985.2019.1571138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Background: The rotator cuff muscles are subject to age-related changes, but the effect of aging on glenohumeral joint stability is poorly understood. Objectives: This study aimed to compare glenohumeral joint translation in asymptomatic young and older people. Methods: Twenty young (23.6 ± 5.3 years) and twenty older (66.5 ± 7.8 years) participants with no symptomatic shoulder pathology were recruited. Anterior and posterior glenohumeral joint translations were measured using real-time ultrasound in two positions: (1) shoulder neutral; and (2) shoulder at 90 degrees' abduction and four testing conditions: (1) rest; (2) passive accessory motion testing (PAMT) force alone; (3) PAMT with isometric internal rotation contraction; and (4) PAMT with external rotation contraction. Results: In both groups, there were significant differences between the amount of translation limited by anterior and posterior rotator cuff muscles in response to anterior and posterior PAMT force (p < 0.03), indicating rotator cuff activity-limited translation in a direction-specific manner. Young participants demonstrated increased passive posterior glenohumeral joint translation in the neutral shoulder position (p < 0.001) and their rotator cuff muscle contraction led to greater reductions in glenohumeral joint translation in the neutral shoulder position (p < 0.001), as compared with older participants. Conclusions: Rotator cuff contraction limits glenohumeral joint translation in a direction-specific manner in both young and older participants. However, younger age is associated with increased passive translation but greater ability to reduce glenohumeral joint translation with rotator cuff muscle contraction. Age-related changes should be considered when assessing and treating glenohumeral joint stability.
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Affiliation(s)
- Sangeeta Rathi
- Department of Pharmacy and Applied Science, La Trobe University , Bendigo, VIC, Australia.,Department of Allied Health, St. John of God Hospital , Bendigo, VIC, Australia
| | - Nicholas F Taylor
- School of Allied Health, La Trobe University , Bundoora, VIC Australia
| | - Rodney A Green
- Department of Pharmacy and Applied Science, La Trobe University , Bendigo, VIC, Australia
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25
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Postural differences in shoulder dynamics during pushing and pulling. J Biomech 2019; 85:67-73. [PMID: 30670329 DOI: 10.1016/j.jbiomech.2019.01.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 01/02/2019] [Accepted: 01/03/2019] [Indexed: 11/22/2022]
Abstract
Assessments of shoulder dynamics (e.g. the inertial, viscous, and stiffness properties of the joint) can provide important insights into the stability of the joint at rest and during volitional contraction. The purpose of this study was to investigate how arm posture influences shoulder dynamics while generating pushing or pulling torques in the horizontal plane. Sixteen healthy participants were examined in seven postures encompassing a large workspace of the shoulder. At each posture, the participant's shoulder was rapidly perturbed while measuring the resultant change in shoulder torque about the glenohumeral axis. Participants were examined both at rest and while producing horizontal flexion and extension torques scaled to 15% of a maximum voluntary contraction. Shoulder stiffness, viscosity, and damping ratio were estimated using impedance-based matching, and changes in these outcome measures with torque level, elevation angle, and plane of elevation angle were explored with a linear mixed effects model. Shoulder stiffness was found to decrease with increasing elevation angles (p < 0.001) without subsequent changes in viscosity, leading to a greater damping ratios at higher elevation angles (p < 0.001). Shoulder stiffness, viscosity, and damping ratio (all p < 0.05) were all found to significantly increase as the plane of elevation of the arm was increased. The relationship between the viscosity, stiffness and the damping ratio of the shoulder is one that the central nervous system must regulate in order to maintain stability, protect against injury, and control the shoulder joint as the inertial and muscle contributions change across different arm postures.
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26
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Scaption kinematics of reverse shoulder arthroplasty do not change after the sixth postoperative month. Clin Biomech (Bristol, Avon) 2018; 58:1-6. [PMID: 30005421 DOI: 10.1016/j.clinbiomech.2018.07.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 05/11/2018] [Accepted: 07/04/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND Changes over time in shoulder kinematics and function after reverse shoulder arthroplasty have not been reported. The purpose of this study was to compare shoulder kinematics and function at 6 months and 1 year after reverse shoulder arthroplasty. METHODS Twenty patients with a mean age of 74 years (range, 63-91 years) were enrolled in this study. Fluoroscopic images during scapular plane elevation were recorded at the mean of 6 months (range, 5-8 months) and 14 months (range, 11-21 months). CT-derived glenosphere models and computer-aided design humeral implant models were matched with the silhouette of the implants in the fluoroscopic images using model-image registration techniques. Glenosphere and humeral implant kinematics during scaption were compared between the two time points. Patients were also clinically examined with active range of motion and Constant score, and postoperative improvement in shoulder function were assessed. RESULTS Active flexion and Constant score improved after surgery (p < 0.001 for both), but there was no significant improvement after six months. There was no significant improvement in active external rotation at either postoperative exam. There were no significant differences in glenosphere or humeral kinematics between six months and one year. INTERPRETATION There was no significant additional improvement in either shoulder kinematics during scapular plane elevation or function between the sixth and twelfth postoperative months. We can assess kinematics at six months after reverse shoulder arthroplasty to determine how the shoulder will move. Clinically, treatment in the first six postoperative months should be emphasized to achieve better surgical outcomes.
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27
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Zhang H, Heckelman LN, Spritzer CE, Owusu-Akyaw KA, Martin JT, Taylor DC, Moorman C, Garrigues GE, DeFrate LE. In Vivo Assessment of Exercise-Induced Glenohumeral Cartilage Strain. Orthop J Sports Med 2018; 6:2325967118784518. [PMID: 30023404 PMCID: PMC6047251 DOI: 10.1177/2325967118784518] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND The human shoulder joint is the most mobile joint in the body. While in vivo shoulder kinematics under minimally loaded conditions have been studied, it is unclear how glenohumeral cartilage responds to high-demand loaded exercise. HYPOTHESIS A high-demand upper extremity exercise, push-ups, will induce compressive strain in the glenohumeral articular cartilage, which can be measured with validated magnetic resonance imaging (MRI)-based techniques. STUDY DESIGN Descriptive laboratory study. METHODS High-resolution MRI was used to measure in vivo glenohumeral cartilage thickness before and after exercise among 8 study participants with no history of upper extremity injury or disease. Manual MRI segmentation and 3-dimensional modeling techniques were used to generate pre- and postexercise thickness maps of the humeral head and glenoid cartilage. Strain was calculated as the difference between pre- and postexercise cartilage thickness, normalized to the pre-exercise cartilage thickness. RESULTS Significant compressive cartilage strains of 17% ± 6% and 15% ± 7% (mean ± 95% CI) were detected in the humeral head and glenoid cartilage, respectively. The anterior region of the glenoid cartilage experienced a significantly higher mean strain (19% ± 6%) than the posterior region of the glenoid cartilage (12% ± 8%). No significant regional differences in postexercise humeral head cartilage strain were observed. CONCLUSION Push-ups induce compressive strain on the glenohumeral joint articular cartilage, particularly at the anterior glenoid. This MRI-based methodology can be applied to further the understanding of chondral changes in the shoulder under high-demand loading conditions. CLINICAL RELEVANCE These results improve the understanding of healthy glenohumeral cartilage mechanics in response to loaded upper extremity exercise. In the future, these methods can be applied to identify which activities induce high glenohumeral cartilage strains and deviations from normal shoulder function.
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Affiliation(s)
- Hanci Zhang
- Department of Orthopaedic Surgery, James R. Urbaniak, MD, Sports Sciences Institute, Duke University, Durham, North Carolina, USA
| | - Lauren N. Heckelman
- Department of Orthopaedic Surgery, James R. Urbaniak, MD, Sports Sciences Institute, Duke University, Durham, North Carolina, USA
- Department of Biomedical Engineering, Duke University, Durham, North Carolina, USA
| | | | - Kwadwo A. Owusu-Akyaw
- Department of Orthopaedic Surgery, James R. Urbaniak, MD, Sports Sciences Institute, Duke University, Durham, North Carolina, USA
| | - John T. Martin
- Department of Orthopaedic Surgery, James R. Urbaniak, MD, Sports Sciences Institute, Duke University, Durham, North Carolina, USA
| | - Dean C. Taylor
- Department of Orthopaedic Surgery, James R. Urbaniak, MD, Sports Sciences Institute, Duke University, Durham, North Carolina, USA
| | - C.T. Moorman
- Department of Orthopaedic Surgery, James R. Urbaniak, MD, Sports Sciences Institute, Duke University, Durham, North Carolina, USA
| | - Grant E. Garrigues
- Department of Orthopaedic Surgery, James R. Urbaniak, MD, Sports Sciences Institute, Duke University, Durham, North Carolina, USA
| | - Louis E. DeFrate
- Department of Orthopaedic Surgery, James R. Urbaniak, MD, Sports Sciences Institute, Duke University, Durham, North Carolina, USA
- Department of Biomedical Engineering, Duke University, Durham, North Carolina, USA
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina, USA
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Evaluation of three-dimensional in vivo scapular kinematics and scapulohumeral rhythm between shoulders with a clavicle hook plate and contralateral healthy shoulders. INTERNATIONAL ORTHOPAEDICS 2018; 43:379-386. [DOI: 10.1007/s00264-018-4003-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 05/28/2018] [Indexed: 10/14/2022]
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Kawano Y, Matsumura N, Murai A, Tada M, Matsumoto M, Nakamura M, Nagura T. Evaluation of the Translation Distance of the Glenohumeral Joint and the Function of the Rotator Cuff on Its Translation: A Cadaveric Study. Arthroscopy 2018; 34:1776-1784. [PMID: 29429562 DOI: 10.1016/j.arthro.2018.01.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 01/03/2018] [Accepted: 01/03/2018] [Indexed: 02/02/2023]
Abstract
PURPOSE To evaluate the distance and position of humeral head translation during glenohumeral motion and to investigate the function of the rotator cuff in glenohumeral translation. METHODS Using 9 cadavers, glenohumeral translation during passive pendulum motion was tracked by an optical motion capture system. Tension was applied to 5 compartments of the rotator cuff muscles, and 7 different conditions of rotator cuff dysfunction were sequentially simulated. Three-dimensional glenohumeral structure was reconstructed from the computed tomography images of the specimens, and the distance and position of glenohumeral translation were compared among the conditions. RESULTS The average radius of glenohumeral translation was 10.6 ± 4.3 mm when static loading was applied to all rotator cuff muscles. The radius increased significantly in the models without traction force on the supraspinatus and total subscapularis tendons (P = .030). The position of the translation center did not change in the mediolateral direction (P = .587) and in the anteroposterior direction (P = .138), but it moved significantly superiorly in the models without supraspinatus and infraspinatus loading (P = .011) and in those without supraspinatus, infraspinatus, and teres minor loading (P < .001). CONCLUSIONS The distance and position of humeral head translation during glenohumeral motion changed with rotator cuff deficiency. The present study indicated that the subscapularis plays an important role in maintaining the central position of the humeral head, and that the infraspinatus acts as a major depressor of the humeral head during shoulder motion. CLINICAL RELEVANCE The results of this study suggest that extension of a tear into the subscapularis should be avoided to maintain the centering function of the glenohumeral joint in cases with rotator cuff tear.
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Affiliation(s)
- Yusuke Kawano
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Noboru Matsumura
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan.
| | - Akihiko Murai
- Digital Human Research Center, National Institute of Advanced Industrial Science and Technology, Tokyo, Japan
| | - Mitsunori Tada
- Digital Human Research Center, National Institute of Advanced Industrial Science and Technology, Tokyo, Japan
| | - Morio Matsumoto
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Masaya Nakamura
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Takeo Nagura
- Department of Clinical Biomechanics, Keio University School of Medicine, Tokyo, Japan
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Matsui K, Tachibana T, Nobuhara K, Uchiyama Y. Translational movement within the glenohumeral joint at different rotation velocities as seen by cine MRI. J Exp Orthop 2018; 5:7. [PMID: 29546506 PMCID: PMC5854565 DOI: 10.1186/s40634-018-0124-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 03/08/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The glenohumeral joint is subjected to opposing forces when the direction of shoulder motion is changed, accelerating and decelerating to make the movements. The influence of motion velocity or acceleration on translation of the humeral head has not been evaluated although direction and distance of humeral head translation has been analyzed in real time in normal shoulders. We hypothesized that, in a normal shoulder, the humeral head does not deviate significantly or suddenly during active shoulder rotation regardless of motion velocity. The purpose of this study was to clarify normal intraarticular kinematics of humeral head position and translation during axial shoulder rotation with the arm by the side of the body at different rotational velocities using cine magnetic resonance imaging (MRI). METHODS Both shoulders of ten healthy adults (mean age group between 27.80 ± 6.05 years) were used in this study. Prior to MRI scan, dynamic glenohumeral stability was confirmed by physical examination. The glenohumeral joint was scanned during active shoulder rotation at three angular velocities (low, medium and high velocities), with the arm by the side of the body by real-time cine MRI while recording with the help of a video camera. Translation of the humeral head and rotation angles on MR imaging and video camera were measured to match shoulder rotational positions. RESULTS There were no statistical differences of the humeral head position and translation among three rotation velocities (p > 0.05). Translation of the humeral head was distributed from 1.44 ± 2.45 mm anteriorly to 0.65 ± 1.84 mm posteriorly at low velocity, from 0.74 ± 1.92 mm anteriorly to 0.75 ± 2.17 mm posteriorly at medium velocity, and from 2.62 ± 2.19 anteriorly to 1.17 ± 1.44 mm posteriorly at high velocity. CONCLUSIONS Translation of the humeral head was shown to undergo no significant change throughout the ranges of internal and external rotation, or among different rotational velocities in dynamic stability of the glenohumeral joint.
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Affiliation(s)
- Kazuhisa Matsui
- Department of Physical Therapy, Graduate School of Medicine, School of Health Sciences, Nagoya University, 1-1-20 Daiko-Minami, Higashi-ku, Nagoya-shi, Aichi-ken, Nagoya City, 461-8673, Japan.,Department of Rehabilitation, Gifu Junior College of Health Science, 2-92 Higashi-Uzura, Gifu, 500-8281, Japan
| | - Takashi Tachibana
- Department of Physiotherapy, Nobuhara Hospital, 720 Haze, Issai, Tatsuno, Hyogo, 679-4017, Japan
| | - Katsuya Nobuhara
- Institute of Biomechanics, Nobuhara Hospital, 720 Haze, Issai, Tatsuno, Hyogo, 679-4017, Japan
| | - Yasushi Uchiyama
- Department of Physical Therapy, Graduate School of Medicine, School of Health Sciences, Nagoya University, 1-1-20 Daiko-Minami, Higashi-ku, Nagoya-shi, Aichi-ken, Nagoya City, 461-8673, Japan.
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Kozono N, Okada T, Takeuchi N, Hamai S, Higaki H, Shimoto T, Ikebe S, Gondo H, Nakanishi Y, Senju T, Nakashima Y. Dynamic kinematics of the glenohumeral joint in shoulders with rotator cuff tears. J Orthop Surg Res 2018; 13:9. [PMID: 29325577 PMCID: PMC5765635 DOI: 10.1186/s13018-017-0709-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 12/26/2017] [Indexed: 11/29/2022] Open
Abstract
Background No clear trend has emerged from the literature regarding three-dimensional (3D) translations of the humerus relative to the scapula in shoulders with rotator cuff tears (RCTs). The purpose of this study was to evaluate the kinematics of RCT shoulders using 3D-to-two-dimensional (2D) model-to-image registration techniques. Methods Dynamic glenohumeral kinematics during scapular plane abduction and axial rotation were analyzed in 11 RCT patients and 10 healthy control subjects. We measured the 3D kinematic parameters of glenohumeral joints using X-ray images and CT-derived digitally reconstructed radiographs. Results For scapular plane abduction, the humeral head center was positioned significantly more medially in shoulders with RCTs than in controls at 135° of humeral abduction (p = 0.02; RCTs versus controls: − 0.9 ± 1.6 versus 0.3 ± 1.3 mm). There was no significant difference in the superior/inferior translation of the humeral head center (p = 0.99). For axial rotation in adducted position, the humeral head center was positioned significantly more anteriorly in shoulders with RCTs than in controls at − 30° of glenohumeral external rotation (p < 0.0001; RCTs versus controls: 3.0 ± 1.7 versus 0.3 ± 1.5 mm). Conclusions This study revealed the kinematics of shoulders with large to massive full-thickness RCTs: the humeral head center showed a medial shift at the late phase of scapular plane full abduction, and an anterior shift at the internal rotation position during full axial rotation. The kinematic data in this study, which describe the patterns of movement of shoulders with large to massive full-thickness RCTs, provide valuable information for future studies investigating glenohumeral translations in other pathological conditions of the shoulder. For clinical relevance, quantitative assessment of the dynamic kinematics of shoulders with RCTs might be a therapeutic indicator for achieving functional restoration.
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Affiliation(s)
- Naoya Kozono
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Takamitsu Okada
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan.
| | - Naohide Takeuchi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Satoshi Hamai
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Hidehiko Higaki
- Department of Life Science, Faculty of Life Science, Kyushu Sangyo University, 2-3-1, Matsukadai, Higashi-ku, Fukuoka City, Fukuoka, 813-8503, Japan
| | - Takeshi Shimoto
- Department of Information and System Engineering, Faculty of Information Engineering, Fukuoka Institute of Technology, 3-30-1 Wajiro-higashi, Higashi-ku, Fukuoka City, Fukuoka, 811-0295, Japan
| | - Satoru Ikebe
- Department of Creative Engineering, National Institute of Technology, Kitakyushu College, 5-20-1 Shii, Kokuraminami-ku, Kitakyushu City, Fukuoka, 802-0985, Japan
| | - Hirotaka Gondo
- Department of Life Science, Faculty of Life Science, Kyushu Sangyo University, 2-3-1, Matsukadai, Higashi-ku, Fukuoka City, Fukuoka, 813-8503, Japan
| | - Yoshitaka Nakanishi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Takahiro Senju
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Yasuharu Nakashima
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
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Exercise therapy for treatment of supraspinatus tears does not alter glenohumeral kinematics during internal/external rotation with the arm at the side. Knee Surg Sports Traumatol Arthrosc 2018; 26:267-274. [PMID: 28865049 DOI: 10.1007/s00167-017-4695-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 08/21/2017] [Indexed: 10/18/2022]
Abstract
PURPOSE Rotator cuff tears are a significant clinical problem, with exercise therapy being a common treatment option for patients. Failure rates of exercise therapy may be due to the failure to improve glenohumeral kinematics. Tears involving the supraspinatus may result in altered glenohumeral kinematics and joint instability for internal/external rotation with the arm at the side because not all muscles used to stabilize the glenohumeral joint are functioning normally. The objective of the study is to assess in vivo glenohumeral kinematic changes for internal/external rotation motions with the arm at the side of patients with a symptomatic full-thickness supraspinatus tear before and after a 12-week exercise therapy programme. METHODS Five patients underwent dynamic stereoradiography analysis before and after a 12-week exercise therapy protocol to measure changes in glenohumeral kinematics during transverse plane internal/external rotation with the arm at the side. Patient-reported outcomes and shoulder strength were also evaluated. RESULTS No patient sought surgery immediately following exercise therapy. Significant improvements in isometric shoulder strength and patient-reported outcomes were observed (p < 0.05). No significant changes in glenohumeral kinematics following physical therapy were found. CONCLUSION Isolated supraspinatus tears resulted in increased joint translations compared to healthy controls from the previous literature for internal/external rotation with the arm at the side. Despite satisfactory clinical outcomes following exercise therapy, glenohumeral kinematics did not change. The lack of changes may be due to the motion studied or the focus of current exercise therapy protocols being increasing shoulder strength and restoring range of motion. Current exercise therapy protocols should be adapted to also focus on restoring glenohumeral kinematics to improve joint stability since exercise therapy may have different effects depending on the motions of daily living. LEVEL OF EVIDENCE Prognostic study, Level II.
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Three-dimensional kinematics of the equine metacarpophalangeal joint using x-ray reconstruction of moving morphology – a pilot study. Vet Comp Orthop Traumatol 2017; 30:248-255. [DOI: 10.3415/vcot-16-06-0095] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 03/07/2017] [Indexed: 11/17/2022]
Abstract
SummaryX-ray reconstruction of moving morphology (XROMM) uses biplanar videoradiography and computed tomography (CT) scanning to capture three-dimensional (3D) bone motion. In XROMM, morphologically accurate 3D bone models derived from CT are animated with motion from videoradiography, yielding a highly accurate and precise reconstruction of skeletal kinematics. We employ this motion analysis technique to characterize metacarpophalangeal joint (MCPJ) motion in the absence and presence of protective legwear in a healthy pony. Our in vivo marker tracking precision was 0.09 mm for walk and trot, and 0.10 mm during jump down exercises. We report MCPJ maximum extension (walk: –27.70 ± 2.78° [standard deviation]; trot: –33.84 ± 4.94°), abduction/adduction (walk: 0.04 ± 0.24°; trot: –0.23 ± 0.35°) and external/internal rotations (walk: 0.30 ± 0.32°; trot: –0.49 ± 1.05°) indicating that the MCPJ in this pony is a stable hinge joint with negligible extra-sagittal rotations. No substantial change in MCPJ maximum extension angles or vertical ground reaction forces (GRFv) were observed upon application of legwear during jump down exercise. Neoprene boot application yielded –65.20 ± 2.06° extension (GRFv = 11.97 ± 0.67 N/kg) and fleece polo wrap application yielded –64.23 ± 1.68° extension (GRFv = 11.36 ± 1.66 N/kg), when compared to naked control (-66.11 ± 0.96°; GRFv = 12.02 ± 0.53 N/kg). Collectively, this proof of concept study illustrates the benefits and practical limitations of using XROMM to document equine MCPJ kinematics in the presence and absence of legwear.Supplementary Material to this article is available online at https://doi.org/10.3415/VCOT-16-06-0095.
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Lawrence RL, Ellingson AM, Ludewig PM. Validation of single-plane fluoroscopy and 2D/3D shape-matching for quantifying shoulder complex kinematics. Med Eng Phys 2017; 52:69-75. [PMID: 29229406 DOI: 10.1016/j.medengphy.2017.11.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 11/22/2017] [Indexed: 10/18/2022]
Abstract
Fluoroscopy and 2D/3D shape-matching has emerged as the standard for non-invasively quantifying kinematics. However, its accuracy has not been well established for the shoulder complex when using single-plane fluoroscopy. The purpose of this study was to determine the accuracy of single-plane fluoroscopy and 2D/3D shape-matching for quantifying full shoulder complex kinematics. Tantalum markers were implanted into the clavicle, humerus, and scapula of four cadaveric shoulders. Biplane radiographs were obtained with the shoulder in five humerothoracic elevation positions (arm at the side, 30°, 60°, 90°, maximum). Images from both systems were used to perform marker tracking, while only those images acquired with the primary fluoroscopy system were used to perform 2D/3D shape-matching. Kinematics errors due to shape-matching were calculated as the difference between marker tracking and 2D/3D shape-matching and expressed as root mean square (RMS) error, bias, and precision. Overall RMS errors for the glenohumeral joint ranged from 0.7 to 3.3° and 1.2 to 4.2 mm, while errors for the acromioclavicular joint ranged from 1.7 to 3.4°. Errors associated with shape-matching individual bones ranged from 1.2 to 3.2° for the humerus, 0.5 to 1.6° for the scapula, and 0.4 to 3.7° for the clavicle. The results of the study demonstrate that single-plane fluoroscopy and 2D/3D shape-matching can accurately quantify full shoulder complex kinematics in static positions.
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Affiliation(s)
- Rebekah L Lawrence
- Division of Rehabilitation Science, University of Minnesota, 420 Delaware Street SE MMC 388, Minneapolis, MN 55455, USA .
| | - Arin M Ellingson
- Divisions of Physical Therapy and Rehabilitation Science, University of Minnesota, 420 Delaware Street SE MMC 388, Minneapolis, MN 55455, USA
| | - Paula M Ludewig
- Divisions of Physical Therapy and Rehabilitation Science, University of Minnesota, 420 Delaware Street SE MMC 388, Minneapolis, MN 55455, USA
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Sins L, Tétreault P, Nuño N, Hagemeister N. Effects of Prosthetic Mismatch and Subscapularis Tear on Glenohumeral Contact Patterns in Total Shoulder Arthroplasty: A Numerical Musculoskeletal Analysis. J Biomech Eng 2017; 138:2552970. [PMID: 27617433 DOI: 10.1115/1.4034654] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Indexed: 11/08/2022]
Abstract
Prosthetic components' mismatch and subscapularis (SC) tear are determining factors for glenoid failure complication in nonconforming total shoulder arthroplasty (NC-TSA). Risk factors are linked to glenoid prosthetic loading. However, the mechanisms underlying the clinical observations remain unclear. This study assessed the combined impact of mismatch and subscapularis tear on glenoid loading. It was assumed that adequate glenoid loading was associated with minimal, but non-null, humeral head translations and contact pressure, as well as with maximal glenoid contact area, and that the center of pressure (COP) on the glenoid would have a centered displacement pattern. A numerical model was used to achieve two objectives. The first was to verify whether an optimum mismatch existed, for which failure risk would be minimal. The second was to explore the effect of subscapularis tear on the position of applied forces on the glenoid. A shoulder AnyBody musculoskeletal model was adapted to the arthroplasty context by introducing humeral head translations and contact between implants. Ten simulations were computed to compare combinations of varying mismatches (1.4 mm, 3.4 mm, 6.4 mm, 8.6 mm, and 9 mm) with two shoulder conditions (intact-muscle or subscapularis tear). Humeral head translations, center-of-pressure, contact area, contact pressure, and glenohumeral joint contact forces were numerically estimated. Mismatches between 3.4 mm and 6.4 mm were associated with the most minimal humeral translations and contact pressure, as well as with maximal contact area. Center of pressure displacement pattern differed according to shoulder condition, with an outward anterior tendency in presence of tear.
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Affiliation(s)
- Lauranne Sins
- Laboratoire de recherche en Imagerie et Orthopédie (LIO), CHUM Research Centre (CR-CHUM), Local R11.322, 900 St-Denis Street, Montréal, QC H2X 0A9, Canada e-mail:
| | - Patrice Tétreault
- Orthopaedics Surgery Department, Local DR-1118-16, Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, 1560 rue Sherbrooke, Montréal, QC H2L 4M1, Canada e-mail:
| | - Natalia Nuño
- Department of Automated Production Engineering, École de technologie supérieure, 1100 Notre-Dame Street West, Montréal, QC H3C 1K3, Canada e-mail:
| | - Nicola Hagemeister
- Laboratoire de recherche en Imagerie et Orthopédie (LIO), CHUM Research Centre (CR-CHUM), Local R11.322, 900 St-Denis Street, Montréal, QC H2X 0A9, Canada e-mail:
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Sarshari E, Farron A, Terrier A, Pioletti D, Mullhaupt P. A simulation framework for humeral head translations. Med Eng Phys 2017; 49:140-147. [DOI: 10.1016/j.medengphy.2017.08.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 08/14/2017] [Accepted: 08/21/2017] [Indexed: 12/12/2022]
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Lawrence RL, Schlangen DM, Schneider KA, Schoenecker J, Senger AL, Starr WC, Staker JL, Ellermann JM, Braman JP, Ludewig PM. Effect of glenohumeral elevation on subacromial supraspinatus compression risk during simulated reaching. J Orthop Res 2017; 35:2329-2337. [PMID: 28071815 PMCID: PMC5503805 DOI: 10.1002/jor.23515] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 12/28/2016] [Indexed: 02/04/2023]
Abstract
Mechanical subacromial rotator cuff compression is one theoretical mechanism in the pathogenesis of rotator cuff disease. However, the relationship between shoulder kinematics and mechanical subacromial rotator cuff compression across the range of humeral elevation motion is not well understood. The purpose of this study was to investigate the effect of humeral elevation on subacromial compression risk of the supraspinatus during a simulated functional reaching task. Three-dimensional anatomical models were reconstructed from shoulder magnetic resonance images acquired from 20 subjects (10 asymptomatic, 10 symptomatic). Standardized glenohumeral kinematics from a simulated reaching task were imposed on the anatomic models and analyzed at 0, 30, 60, and 90° humerothoracic elevation. Five magnitudes of humeral retroversion were also imposed on the models at each angle of humerothoracic elevation to investigate the impact of retroversion on subacromial proximities. The minimum distance between the coracoacromial arch and supraspinatus tendon and footprint were quantified. When contact occurred, the magnitude of the intersecting volume between the supraspinatus tendon and coracoacromial arch was also quantified. The smallest minimum distance from the coracoacromial arch to the supraspinatus footprint occurred between 30 and 90°, while the smallest minimum distance to the supraspinatus tendon occurred between 0 and 60°. The magnitude of humeral retroversion did not significantly affect minimum distance to the supraspinatus tendon except at 60 or 90° humerothoracic elevation. The results of this study provide support for mechanical rotator cuff compression as a potential mechanism for the development of rotator cuff disease. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:2329-2337, 2017.
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Weiss M, Reich E, Grund S, Mülling CKW, Geiger SM. Validation of 2 noninvasive, markerless reconstruction techniques in biplane high-speed fluoroscopy for 3-dimensional research of bovine distal limb kinematics. J Dairy Sci 2017; 100:8372-8384. [PMID: 28780107 DOI: 10.3168/jds.2017-12563] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Accepted: 05/28/2017] [Indexed: 11/19/2022]
Abstract
Lameness severely impairs cattle's locomotion, and it is among the most important threats to animal welfare, performance, and productivity in the modern dairy industry. However, insight into the pathological alterations of claw biomechanics leading to lameness and an understanding of the biomechanics behind development of claw lesions causing lameness are limited. Biplane high-speed fluoroscopic kinematography is a new approach for the analysis of skeletal motion. Biplane high-speed videos in combination with bone scans can be used for 3-dimensional (3D) animations of bones moving in 3D space. The gold standard, marker-based animation, requires implantation of radio-opaque markers into bones, which impairs the practicability for lameness research in live animals. Therefore, the purpose of this study was to evaluate the comparative accuracy of 2 noninvasive, markerless animation techniques (semi-automatic and manual) in 3D animation of the bovine distal limb. Tantalum markers were implanted into each of the distal, middle, and proximal phalanges of 5 isolated bovine distal forelimbs, and biplane high-speed x-ray videos of each limb were recorded to capture the simulation of one step. The limbs were scanned by computed tomography to create bone models of the 6 digital bones, and 3D animation of the bones' movements were subsequently reconstructed using the marker-based, the semi-automatic, and the manual animation techniques. Manual animation translational bias and precision varied from 0.63 ± 0.26 mm to 0.80 ± 0.49 mm, and rotational bias and precision ranged from 2.41 ± 1.43° to 6.75 ± 4.67°. Semi-automatic translational values for bias and precision ranged from 1.26 ± 1.28 mm to 2.75 ± 2.17 mm, and rotational values varied from 3.81 ± 2.78° to 11.7 ± 8.11°. In our study, we demonstrated the successful application of biplane high-speed fluoroscopic kinematography to gait analysis of bovine distal limb. Using the manual animation technique, kinematics can be measured with sub-millimeter accuracy without the need for invasive marker implantation.
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Affiliation(s)
- M Weiss
- Institute of Veterinary Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 43, D-04103 Leipzig, Germany
| | - E Reich
- Institute of Veterinary Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 43, D-04103 Leipzig, Germany
| | - S Grund
- Institute of Veterinary Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 43, D-04103 Leipzig, Germany
| | - C K W Mülling
- Institute of Veterinary Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 43, D-04103 Leipzig, Germany
| | - S M Geiger
- Institute of Veterinary Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 43, D-04103 Leipzig, Germany.
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Glenohumeral and scapulohumeral kinematic analysis of patients with traumatic anterior instability wearing a shoulder brace: a prospective laboratory study. Musculoskelet Surg 2017; 101:159-167. [PMID: 28756509 DOI: 10.1007/s12306-017-0494-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 07/18/2017] [Indexed: 10/19/2022]
Abstract
PURPOSE To assess the effectiveness of a novel glenohumeral joint immobilizer, the S2 Shoulder Stabilizer®, by evaluating shoulder kinematics with a stereophotogrammetry system. METHODS Participants in this prospective laboratory study were recruited from patients with anterior traumatic instability awaiting arthroscopic glenohumeral stabilization. Glenohumeral and scapulohumeral kinematic data (arm abduction-adduction and internal-external rotation, and scapular pronation-retraction and mediolateral rotation) were collected twice, without and with the brace, using a VICON™ motion capture system, and processed with MATLAB® software. RESULTS The tests showed a significantly lower joint angle during abduction-adduction (p = 0.0022) and external rotation (p = 0.0076) and a significantly lower (p = 0.0022) mediolateral scapular rotation angle in the limbs wearing the immobilizer. Humeral head translation during abduction-adduction and internal-external rotation was also lower in the patients wearing the brace. CONCLUSIONS The immobilizer significantly limited joint excursion in all planes of movement except internal rotation. The narrower humeral head translation with respect to the trunk, measured in the tests with the brace, demonstrates that the immobilizer achieves the goal of preserving joint stability in the movements that are at risk of dislocation.
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40
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Comparison of 3D bone models of the knee joint derived from CT and 3T MR imaging. Eur J Radiol 2017; 93:178-184. [DOI: 10.1016/j.ejrad.2017.05.042] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 09/18/2016] [Accepted: 05/30/2017] [Indexed: 11/18/2022]
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Kozono N, Okada T, Takeuchi N, Hamai S, Higaki H, Ikebe S, Shimoto T, Miake G, Nakanishi Y, Iwamoto Y. In vivo kinematic analysis of the glenohumeral joint during dynamic full axial rotation and scapular plane full abduction in healthy shoulders. Knee Surg Sports Traumatol Arthrosc 2017; 25:2032-2040. [PMID: 27511218 DOI: 10.1007/s00167-016-4263-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2016] [Accepted: 08/02/2016] [Indexed: 11/28/2022]
Abstract
PURPOSE The purpose of this study was to evaluate the kinematics of healthy shoulders during dynamic full axial rotation and scapular plane full abduction using three-dimensional (3D)-to-two-dimensional (2D) model-to-image registration techniques. METHODS Dynamic glenohumeral kinematics during axial rotation and scapular plane abduction were analysed in 10 healthy participants. Continuous radiographic images of axial rotation and scapular plane abduction were taken using a flat panel radiographic detector. The participants received a computed tomography scan to generate virtual digitally reconstructed radiographs. The density-based digitally reconstructed radiographs were then compared with the serial radiographic images acquired using image correlations. These 3D-to-2D model-to-image registration techniques determined the 3D positions and orientations of the humerus and scapula during dynamic full axial rotation and scapular plane full abduction. RESULTS The humeral head centre translated an average of 2.5 ± 3.1 mm posteriorly, and 1.4 ± 1.0 mm superiorly in the early phase, then an average of 2.0 ± 0.8 mm inferiorly in the late phase during external rotation motion. The glenohumeral external rotation angle had a significant effect on the anterior/posterior (A/P) and superior/inferior (S/I) translation of the humeral head centre (both p < 0.05). 33.6 ± 15.6° of glenohumeral external rotation occurred during scapular plane abduction. The humeral head centre translated an average of 0.6 ± 0.9 mm superiorly in the early phase, then 1.7 ± 2.6 mm inferiorly in the late phase, and translated an average of 0.4 ± 0.5 mm medially in the early phase, then 1.6 ± 1.0 mm laterally in the late phase during scapular plane abduction. The humeral abduction angle had a significant effect on the S/I and lateral/medial (L/M) translation of the humeral head centre (both p < 0.05). CONCLUSION This study investigated 3D translations of the humerus relative to the scapula: during scapular plane full abduction, the humerus rotated 33.6° externally relative to the scapula, and during external rotation motion in the adducted position, the humeral head centre translated an average of 2.5 mm posteriorly. Kinematic data will provide important insights into evaluating the kinematics of pathological shoulders. For clinical relevance, quantitative assessment of dynamic healthy shoulder kinematics might be a physiological indicator for the assessment of pathological shoulders.
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Affiliation(s)
- Naoya Kozono
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Takamitsu Okada
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan.
| | - Naohide Takeuchi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Satoshi Hamai
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Hidehiko Higaki
- Department of Biorobotics, Faculty of Engineering, Kyushu Sangyo University, 2-3-1, Matsukadai, Higashi-ku, Fukuoka City, Fukuoka, 813-8503, Japan
| | - Satoru Ikebe
- Department of Biorobotics, Faculty of Engineering, Kyushu Sangyo University, 2-3-1, Matsukadai, Higashi-ku, Fukuoka City, Fukuoka, 813-8503, Japan
| | - Takeshi Shimoto
- Department of Information and System Engineering, Faculty of Information Engineering, Fukuoka Institute of Technology, 3-30-1 Wajiro-higashi, Higashi-ku, Fukuoka City, Fukuoka, 811-0295, Japan
| | - Go Miake
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Yoshitaka Nakanishi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Yukihide Iwamoto
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
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Baumer TG, Dischler J, Mende V, Zauel R, van Holsbeeck M, Siegal DS, Divine G, Moutzouros V, Bey MJ. Effects of asymptomatic rotator cuff pathology on in vivo shoulder motion and clinical outcomes. J Shoulder Elbow Surg 2017; 26:1064-1072. [PMID: 28131679 PMCID: PMC5438772 DOI: 10.1016/j.jse.2016.11.048] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 11/15/2016] [Accepted: 11/25/2016] [Indexed: 02/01/2023]
Abstract
BACKGROUND The incidence of asymptomatic rotator cuff tears has been reported to range from 15% to 39%, but the influence of asymptomatic rotator cuff pathology on shoulder function is not well understood. This study assessed the effects of asymptomatic rotator cuff pathology on shoulder kinematics, strength, and patient-reported outcomes. METHODS A clinical ultrasound examination was performed in 46 asymptomatic volunteers (age: 60.3 ± 7.5 years) with normal shoulder function to document the condition of their rotator cuff. The ultrasound imaging identified the participants as healthy (n = 14) or pathologic (n = 32). Shoulder motion was measured with a biplane x-ray imaging system, strength was assessed with a Biodex (Biodex Medical Systems, Inc., Shirley, NY, USA), and patient-reported outcomes were assessed using the Western Ontario Rotator Cuff Index and visual analog scale pain scores. RESULTS Compared with healthy volunteers, those with rotator cuff pathology had significantly less abduction (P = .050) and elevation (P = .041) strength, their humerus was positioned more inferiorly on the glenoid (P = .018), and the glenohumeral contact path length was longer (P = .007). No significant differences were detected in the Western Ontario Rotator Cuff Index, visual analog scale, range of motion, or acromiohumeral distance. CONCLUSIONS The differences observed between the healthy volunteers and those with asymptomatic rotator cuff pathology lend insight into the changes in joint mechanics, shoulder strength, and conventional clinical outcomes associated with the early stages of rotator cuff pathology. Furthermore, these findings suggest a plausible mechanical progression of kinematic and strength changes associated with the development of rotator cuff pathology.
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Affiliation(s)
- Timothy G Baumer
- Bone and Joint Center, Henry Ford Health System, Detroit, MI, USA.
| | - Jack Dischler
- Bone and Joint Center, Henry Ford Health System, Detroit, MI, USA
| | - Veronica Mende
- Bone and Joint Center, Henry Ford Health System, Detroit, MI, USA
| | - Roger Zauel
- Bone and Joint Center, Henry Ford Health System, Detroit, MI, USA
| | | | - Daniel S Siegal
- Department of Radiology, Henry Ford Health System, Detroit, MI, USA
| | - George Divine
- Department of Public Health Sciences, Henry Ford Health System, Detroit, MI, USA
| | - Vasilios Moutzouros
- Department of Orthopaedic Surgery, Henry Ford Health System, Detroit, MI, USA
| | - Michael J Bey
- Bone and Joint Center, Henry Ford Health System, Detroit, MI, USA
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43
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Cereatti A, Bonci T, Akbarshahi M, Aminian K, Barré A, Begon M, Benoit DL, Charbonnier C, Dal Maso F, Fantozzi S, Lin CC, Lu TW, Pandy MG, Stagni R, van den Bogert AJ, Camomilla V. Standardization proposal of soft tissue artefact description for data sharing in human motion measurements. J Biomech 2017; 62:5-13. [PMID: 28259462 DOI: 10.1016/j.jbiomech.2017.02.004] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 02/08/2017] [Accepted: 02/11/2017] [Indexed: 12/01/2022]
Abstract
Soft tissue artefact (STA) represents one of the main obstacles for obtaining accurate and reliable skeletal kinematics from motion capture. Many studies have addressed this issue, yet there is no consensus on the best available bone pose estimator and the expected errors associated with relevant results. Furthermore, results obtained by different authors are difficult to compare due to the high variability and specificity of the phenomenon and the different metrics used to represent these data. Therefore, the aim of this study was twofold: firstly, to propose standards for description of STA; and secondly, to provide illustrative STA data samples for body segments in the upper and lower extremities and for a range of motor tasks specifically, level walking, stair ascent, sit-to-stand, hip- and knee-joint functional movements, cutting motion, running, hopping, arm elevation and functional upper-limb movements. The STA dataset includes motion of the skin markers measured in vivo and ex vivo using stereophotogrammetry as well as motion of the underlying bones measured using invasive or bio-imaging techniques (i.e., X-ray fluoroscopy or MRI). The data are accompanied by a detailed description of the methods used for their acquisition, with information given about their quality as well as characterization of the STA using the proposed standards. The availability of open-access and standard-format STA data will be useful for the evaluation and development of bone pose estimators thus contributing to the advancement of three-dimensional human movement analysis and its translation into the clinical practice and other applications.
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Affiliation(s)
- Andrea Cereatti
- POLCOMING Department, Information Engineering Unit, University of Sassari, Sassari, Italy; Dept. of Electronics and Telecommunications, Politecnico di Torino, Torino, Italy; Interuniversity Centre of Bioengineering of the Human Neuromusculoskeletal System, University of Rome "Foro Italico", Rome, Italy.
| | - Tecla Bonci
- Interuniversity Centre of Bioengineering of the Human Neuromusculoskeletal System, University of Rome "Foro Italico", Rome, Italy; Life and Health Sciences, Aston University, Birmingham, United Kingdom
| | - Massoud Akbarshahi
- Department of Mechanical Engineering, University of Melbourne, Victoria, Australia
| | - Kamiar Aminian
- Laboratory of Movement Analysis and Measurement, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Arnaud Barré
- Laboratory of Movement Analysis and Measurement, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Mickael Begon
- Laboratory of Simulation and Movement Modeling, Department of Kinesiology, University of Montreal, Montreal, Canada
| | - Daniel L Benoit
- Faculty of Health Sciences, University of Ottawa, Ottawa, Canada
| | | | - Fabien Dal Maso
- Laboratory of Simulation and Movement Modeling, Department of Kinesiology, University of Montreal, Montreal, Canada
| | - Silvia Fantozzi
- Department of Electric, Electronic and Information Engineering "Guglielmo Marconi" - DEI, University of Bologna, Italy
| | - Cheng-Chung Lin
- Institute of Biomedical Engineering, National Taiwan University, Taiwan, ROC; Department of Electronic Engineering, Fu-Jen Catholic University, Taiwan, ROC
| | - Tung-Wu Lu
- Institute of Biomedical Engineering, National Taiwan University, Taiwan, ROC; Department of Orthopaedic Surgery, School of Medicine, National Taiwan University, Taiwan, ROC
| | - Marcus G Pandy
- Department of Mechanical Engineering, University of Melbourne, Victoria, Australia
| | - Rita Stagni
- Department of Electric, Electronic and Information Engineering "Guglielmo Marconi" - DEI, University of Bologna, Italy
| | | | - Valentina Camomilla
- Interuniversity Centre of Bioengineering of the Human Neuromusculoskeletal System, University of Rome "Foro Italico", Rome, Italy; Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
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Kim Y, Lee G. Immediate Effects of Angular Joint Mobilization (a New Concept of Joint Mobilization) on Pain, Range of Motion, and Disability in a Patient with Shoulder Adhesive Capsulitis: A Case Report. AMERICAN JOURNAL OF CASE REPORTS 2017; 18:148-156. [PMID: 28184035 PMCID: PMC5315004 DOI: 10.12659/ajcr.900858] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Patient: Female, 53 Final Diagnosis: Adhesive capsulitis Symptoms: Pain • limited range of motion Medication: None Clinical Procedure: Manual therapy (joint mobilization) Specialty: Physical Therapy
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Affiliation(s)
| | - GyuChang Lee
- Department of Physical Therapy, Kyungnam University, Changwon, Gyeongsangnam-do, South Korea
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45
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Kim DS, Lee B, Banks SA, Hong K, Jang YH. Comparison of dynamics in 3D glenohumeral position between primary dislocated shoulders and contralateral healthy shoulders. J Orthop 2017; 14:195-200. [PMID: 28123261 DOI: 10.1016/j.jor.2016.12.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 12/25/2016] [Indexed: 11/18/2022] Open
Abstract
BACKGROUNDS After shoulder dislocation, kinematic changes in shoulder, including translation of the humeral head, ensue. There have been many attempts to measure these changes using motion measurement techniques, but in vivo three-dimensional (3D) glenohumeral changes have not been appreciated until now. The purpose of this study was to measure and analyze changes in glenohumeral translation in patients with shoulder dislocation and compare these changes with healthy shoulder. METHODS We included 20 subjects who had suffered shoulder dislocation for first time, and 3D models of their humerus and scapula were obtained using computed tomography and fluoroscopic images during scapular plane abduction and external rotation of shoulder with elbow flexed at 90° and arm abducted at 90°. We measured the superior/inferior (SI) and anterior/posterior (AP) translations for both shoulders. RESULTS No statistically significant difference between healthy and dislocated shoulders was detected in SI translation for scapular plane abduction with increasing elevation angles. In AP translation, the humeral head was located 2.29 mm more anteriorly in the dislocated shoulder than in the healthy shoulder. However, no statistically significant difference was seen. For internal to external rotation, the angle of the rotated arm had an effect on AP translation. However, no statistically significant difference was detected. In the apprehension test, there was no significant difference in the mean value of AP translation. CONCLUSION Compared with the contralateral healthy shoulder, changes in glenohumeral translation during in vivo movement after shoulder dislocation were found to be non-significant.
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Affiliation(s)
- Doo Sup Kim
- Department of Orthopedic Surgery, Wonju College of Medicine, Yonsei University, Wonju Severance Christian Hospital, Gangwon, South Korea
| | - Bonggun Lee
- Department of Orthopedic Surgery, Hanyang University, Seoul, South Korea
| | - Scott A Banks
- Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL 32611-6250, USA
| | - Kyungjin Hong
- Department of Orthopedic Surgery, Wonju College of Medicine, Yonsei University, Wonju Severance Christian Hospital, Gangwon, South Korea
| | - Young Hwan Jang
- Department of Orthopedic Surgery, Wonju College of Medicine, Yonsei University, Wonju Severance Christian Hospital, Gangwon, South Korea
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Rathi S, Taylor NF, Gee J, Green RA. Measurement of glenohumeral joint translation using real-time ultrasound imaging: A physiotherapist and sonographer intra-rater and inter-rater reliability study. ACTA ACUST UNITED AC 2016; 26:110-116. [DOI: 10.1016/j.math.2016.08.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Revised: 08/01/2016] [Accepted: 08/02/2016] [Indexed: 12/16/2022]
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47
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Baumer TG, Chan D, Mende V, Dischler J, Zauel R, van Holsbeeck M, Siegal DS, Divine G, Moutzouros V, Bey MJ. Effects of Rotator Cuff Pathology and Physical Therapy on In Vivo Shoulder Motion and Clinical Outcomes in Patients With a Symptomatic Full-Thickness Rotator Cuff Tear. Orthop J Sports Med 2016; 4:2325967116666506. [PMID: 27734020 PMCID: PMC5040201 DOI: 10.1177/2325967116666506] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Physical therapy (PT) is often prescribed for patients with rotator cuff tears. The extent to which PT influences strength, range of motion (ROM), and patient-reported outcomes has been studied extensively, but the effect of PT on in vivo joint kinematics is not well understood. PURPOSE To assess the influence of symptomatic rotator cuff pathology and the effects of PT on shoulder motion, strength, and patient-reported outcomes. STUDY DESIGN Controlled laboratory study. METHODS Twenty-five patients with a symptomatic rotator cuff tear and 25 age-matched asymptomatic control subjects were recruited. Shoulder motion was measured using a biplane radiography imaging system, strength was assessed with a Biodex dynamometer, and patient-reported outcomes were assessed using the Western Ontario Rotator Cuff Index and visual analog scale (VAS) pain scores. Data were acquired from the patients before and after 8 weeks of physical therapy. Data were acquired at 1 time point for the control subjects. RESULTS Compared with the control subjects, patients with a symptomatic rotator cuff tear had significantly worse pain/function scores (P < .01); less ROM (P < .01); lower abduction (ABD), external rotation (ER), and internal rotation (IR) strength (P < .01); less scapulothoracic posterior tilt (P = .05); and lower glenohumeral joint elevation (P < .01). Physical therapy resulted in improved pain/function scores (P < .01), increased ROM (P < .02), increased scapulothoracic posterior tilt (P = .05), increased glenohumeral joint elevation (P = .01), and decreased acromiohumeral distance (AHD) (P = .02). CONCLUSION Compared with age-matched controls, patients had worse pain/function scores, less ROM, and lower ABD, ER, and IR strength. Patients also had less scapulothoracic anteroposterior tilt, less glenohumeral joint elevation, and an altered glenohumeral joint contact path. PT resulted in improved pain/function scores, increased ROM, greater posterior scapulothoracic tilt, increased glenohumeral joint elevation, an increased range of superoinferior joint contact, and a lower mean AHD. Of these differences, PT only returned scapulothoracic tilt to control levels. CLINICAL RELEVANCE This study documents the effects of PT on shoulder motion and conventional clinical outcomes. It is expected that understanding how changes in joint motion are associated with conventional clinical outcomes will lead to improved nonoperative interventions for patients with rotator cuff tears.
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Affiliation(s)
- Timothy G Baumer
- Bone and Joint Center, Henry Ford Health System, Detroit, Michigan, USA
| | - Derek Chan
- Department of Physical Therapy, Henry Ford Health System, Detroit, Michigan, USA
| | - Veronica Mende
- Bone and Joint Center, Henry Ford Health System, Detroit, Michigan, USA
| | - Jack Dischler
- Bone and Joint Center, Henry Ford Health System, Detroit, Michigan, USA
| | - Roger Zauel
- Bone and Joint Center, Henry Ford Health System, Detroit, Michigan, USA
| | | | - Daniel S Siegal
- Department of Radiology, Henry Ford Health System, Detroit, Michigan, USA
| | - George Divine
- Department of Public Health Sciences, Henry Ford Health System, Detroit, Michigan, USA
| | - Vasilios Moutzouros
- Department of Orthopaedic Surgery, Henry Ford Health System, Detroit, Michigan, USA
| | - Michael J Bey
- Bone and Joint Center, Henry Ford Health System, Detroit, Michigan, USA
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48
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Quental C, Folgado J, Ambrósio J, Monteiro J. A new shoulder model with a biologically inspired glenohumeral joint. Med Eng Phys 2016; 38:969-77. [DOI: 10.1016/j.medengphy.2016.06.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 04/01/2016] [Accepted: 06/08/2016] [Indexed: 11/28/2022]
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49
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Baumer TG, Giles JW, Drake A, Zauel R, Bey MJ. Measuring Three-Dimensional Thorax Motion Via Biplane Radiographic Imaging: Technique and Preliminary Results. J Biomech Eng 2016; 138:2473568. [PMID: 26592901 DOI: 10.1115/1.4032058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Indexed: 11/08/2022]
Abstract
Measures of scapulothoracic motion are dependent on accurate imaging of the scapula and thorax. Advanced radiographic techniques can provide accurate measures of scapular motion, but the limited 3D imaging volume of these techniques often precludes measurement of thorax motion. To overcome this, a thorax coordinate system was defined based on the position of rib pairs and then compared to a conventional sternum/spine-based thorax coordinate system. Alignment of the rib-based coordinate system was dependent on the rib pairs used, with the rib3:rib4 pairing aligned to within 4.4 ± 2.1 deg of the conventional thorax coordinate system.
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50
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Zhang C, Skalli W, Lagacé PY, Billuart F, Ohl X, Cresson T, Bureau NJ, Rouleau DM, Roy A, Tétreault P, Sauret C, de Guise JA, Hagemeister N. Investigation of 3D glenohumeral displacements from 3D reconstruction using biplane X-ray images: Accuracy and reproducibility of the technique and preliminary analysis in rotator cuff tear patients. J Electromyogr Kinesiol 2016; 29:12-20. [DOI: 10.1016/j.jelekin.2015.08.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2015] [Revised: 08/08/2015] [Accepted: 08/10/2015] [Indexed: 11/26/2022] Open
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