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Wang F, Wang J, Li M, Hu J, Song K, Zhang J, Fan Y. Biomechanical study of the effect of traction on elbow joint capsule contracture. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2023; 20:21451-21466. [PMID: 38124605 DOI: 10.3934/mbe.2023949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Dynamic orthoses have a significant effect on the treatment of elbow capsular contracture. Because of the lack of quantitative research on traction forces, determining the appropriate traction force to help stretch soft tissues and maintain the joint's range of motion is a challenge in the rehabilitation process. We developed a human elbow finite element (FE) model incorporating the activity behavior of the muscles and considering different capsular contracture locations, including total, anterior and posterior capsular contractures, to analyze the internal biomechanical responses of different capsular contracture models during flexion (30 to 80 degrees). Traction loads of 10, 20, 30 and 40 N were applied to the ulna and radius at the maximum flexion angle (80 degrees) to explore the appropriate traction loads at week 4 after a joint capsule injury. We observed a significant increase in posterior capsule stress with anterior capsular contracture (ACC), and the maximum peak stress was 1.3 times higher than that in the healthy model. During the fourth week after elbow capsule injury, the appropriate traction forces for total capsule contracture (TCC), ACC and posterior capsule contracture (PCC) were 20, 10 and 20 N, respectively; these forces maintained a stable biomechanical environment for the elbow joint and achieved a soft tissue pulling effect, thus increasing elbow mobility. The results can be used as a quantitative guide for the rehabilitation physicians to determine the traction load for a specific patient.
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Affiliation(s)
- Fang Wang
- College of Mechanical Engineering, The Key Laboratory of Integrated Design and On-Line Monitoring of Light Industrial and Food Engineering Machinery and Equipment in Tianjin, Tianjin University of Science & Technology, Tianjin 300222, China
- Key Laboratory of Rehabilitation Aids Technology and System of the Ministry of Civil Afairs, National Research Center for Rehabilitation Technical Aids, Beijing 100176, China
| | - Jiaming Wang
- College of Mechanical Engineering, The Key Laboratory of Integrated Design and On-Line Monitoring of Light Industrial and Food Engineering Machinery and Equipment in Tianjin, Tianjin University of Science & Technology, Tianjin 300222, China
| | - Mingxin Li
- Department of Traumatic Orthopaedics, Tianjin Hospital, Tianjin 300299, China
| | - Jun Hu
- College of Mechanical Engineering, The Key Laboratory of Integrated Design and On-Line Monitoring of Light Industrial and Food Engineering Machinery and Equipment in Tianjin, Tianjin University of Science & Technology, Tianjin 300222, China
| | - Kehua Song
- College of Mechanical Engineering, The Key Laboratory of Integrated Design and On-Line Monitoring of Light Industrial and Food Engineering Machinery and Equipment in Tianjin, Tianjin University of Science & Technology, Tianjin 300222, China
| | - Jianguo Zhang
- College of Mechanical Engineering, The Key Laboratory of Integrated Design and On-Line Monitoring of Light Industrial and Food Engineering Machinery and Equipment in Tianjin, Tianjin University of Science & Technology, Tianjin 300222, China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Sciences and Medical Engineering, Beihang University, Beijing 100083, China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing 100083, China
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Rein S, Esplugas M, Garcia-Elias M, Kremer T, Siemers F, Lühmann P. Immunofluorescence analysis of sensory nerve endings in the periarticular tissue of the human elbow joint. Arch Orthop Trauma Surg 2022:10.1007/s00402-022-04604-0. [PMID: 36070088 DOI: 10.1007/s00402-022-04604-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/24/2022] [Indexed: 11/28/2022]
Abstract
INTRODUCTION To investigate the dynamic aspects of elbow stability, we aimed to analyze sensory nerve endings in the ligaments and the capsule of elbow joints. MATERIALS AND METHODS The capsule with its anterior (AJC) and posterior (PJC) parts, the radial collateral ligament (RCL), the annular ligament (AL), and the ulnar collateral ligament with its posterior (PUCL), transverse (TUCL) and anterior parts (AUCL) were dissected from eleven human cadaver elbow joints. Sensory nerve endings were analyzed in two levels per specimen as total cell amount/ cm2 after immunofluorescence staining with low-affinity neurotrophin receptor p75, protein gene product 9.5, S-100 protein and 4',6-Diamidin-2-phenylindol, Carbonic anhydrase II and choline acetyltransferase on an Apotome microscope according to Freeman and Wyke's classification. RESULTS Free nerve endings were the predominant mechanoreceptor in all seven structures followed by Ruffini, unclassifiable, Golgi-like, and Pacini corpuscles (p ≤ 0.00001, respectively). Free nerve endings were observed significant more often in the AJC than in the RCL (p < 0.00002). A higher density of Ruffini endings than Golgi-like endings was observed in the PJC (p = 0.004). The RCL contained significant more Ruffini endings than Pacini corpuscles (p = 0.004). Carbonic anhydrase II was significantly more frequently positively immunoreactive than choline acetyltransferase in all sensory nerve endings (p < 0.05). Sensory nerve endings were significant more often epifascicular distributed in all structures (p < 0.006, respectively) except for the AJC, which had a pronounced equal distribution (p < 0.00005). CONCLUSION The high density of free nerve endings in the joint capsule indicates that it has pronounced nociceptive functions. Joint position sense is mainly detected by the RCL, AUCL, PUCL, and the PJC. Proprioceptive control of the elbow joint is mainly monitored by the joint capsule and the UCL, respectively. However, the extreme range of motion is primarily controlled by the RCL mediated by Golgi-like endings.
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Affiliation(s)
- Susanne Rein
- Department of Plastic and Hand Surgery, Burn Unit, Hospital Sankt Georg, Delitzscher Straße 141, 04129, Leipzig, Germany. .,Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany.
| | - Mireia Esplugas
- Kaplan Hand Institute, Paseo de la Reina Elisenda 17, 08034, Barcelona, Spain
| | - Marc Garcia-Elias
- Kaplan Hand Institute, Paseo de la Reina Elisenda 17, 08034, Barcelona, Spain
| | - Thomas Kremer
- Department of Plastic and Hand Surgery, Burn Unit, Hospital Sankt Georg, Delitzscher Straße 141, 04129, Leipzig, Germany
| | - Frank Siemers
- Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany.,Department of Plastic and Hand Surgery, Burn Unit, Trauma Center Bergmannstrost, Merseburger Straße 165, 06112, Halle (Saale), Germany
| | - Paul Lühmann
- Department of Plastic and Hand Surgery, Burn Unit, Hospital Sankt Georg, Delitzscher Straße 141, 04129, Leipzig, Germany.,Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
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Saengsirinavin P, Ratanalekha R, Wechasil J, Jongthanakamol T, Sriratanavudhi C, Jaroenporn W. Anatomic Study of the Medial Collateral Ligament in Thai Population: A Cadaveric Study of 56 Elbows. Indian J Orthop 2022; 56:1417-1423. [PMID: 35928665 PMCID: PMC9283635 DOI: 10.1007/s43465-022-00648-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 04/18/2022] [Indexed: 02/04/2023]
Abstract
PURPOSE This study aims to elucidate basic anatomic and geometric features of MCL, providing more accurate and detailed information, as guidance for surgeons, to improve patient's outcome of the treatment. METHODS The anterior bundle (AB), posterior bundle (PB) and transverse bundle (TB) ligament of 56 fresh frozen Thai cadaveric elbows, were measured and recorded, comprise key ligament's geometric features, footprints and dimensions, and its relation to bony landmarks. Sagittal and coronal planes were used in respect of the anatomical position. RESULTS The mean distance between the center of AB origin and the apex of medial epicondyle is as follows: 2.97 ± 2.21 mm anteriorly, 4.73 ± 1.60 mm inferiorly in the sagittal plane, and 4.23 ± 1.13 mm deep from the epicondyle in the coronal plane. Its dimension is 6.23 ± 1.02 mm in width and 45.97 ± 6.75 mm in length. The ligament's insertion triangular shape has its base located 28.44 ± 3.51 mm anterior from the posterior olecranon border, and 22.52 ± 2.49 mm superior from the inferior ulnar border. The tip located 50.79 ± 4.86 mm anterior from the posterior olecranon border and 17.64 ± 2.80 mm superior from the inferior ulnar border. CONCLUSION Apprehension of the precise geometries and distances of the ligament's footprint relative to key anatomical point is crucial. This stereographically comprehended data are useful for surgeon as reference points to obtain stability, motion, kinetic, and kinematic properties of the elbow. LEVEL OF EVIDENCE Level V evidence. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s43465-022-00648-x.
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Affiliation(s)
| | - Rosarin Ratanalekha
- Department of Anatomy, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Jaruwat Wechasil
- Police General Hospital, Royal Thai Police Headquarters, Bangkok, Thailand
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Lühmann P, Kremer T, Siemers F, Rein S. Comparative histomorphological analysis of elbow ligaments and capsule. Clin Anat 2022; 35:1070-1084. [DOI: 10.1002/ca.23913] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/23/2022] [Accepted: 05/06/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Paul Lühmann
- Department of Plastic and Hand Surgery with Burn Unit Hospital Sankt Georg Leipzig Germany
| | - Thomas Kremer
- Department of Plastic and Hand Surgery with Burn Unit Hospital Sankt Georg Leipzig Germany
| | - Frank Siemers
- Department of Plastic and Hand Surgery with Burn Unit Trauma Center Bergmannstrost Halle Germany
- Martin‐Luther‐University Halle‐Wittenberg Halle Germany
| | - Susanne Rein
- Department of Plastic and Hand Surgery with Burn Unit Hospital Sankt Georg Leipzig Germany
- Martin‐Luther‐University Halle‐Wittenberg Halle Germany
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Edama M, Matsuzawa K, Yokota H, Hirabayashi R, Sekine C, Maruyama S, Sato N. Elbow valgus stability of the transverse bundle of the ulnar collateral ligament. BMC Musculoskelet Disord 2021; 22:873. [PMID: 34641828 PMCID: PMC8513277 DOI: 10.1186/s12891-021-04760-1] [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: 06/08/2021] [Accepted: 10/05/2021] [Indexed: 12/03/2022] Open
Abstract
Background The purpose of this study was to clarify elbow valgus stability of the transverse bundle (TB). We hypothesized that the transverse bundle is involved in elbow valgus stability. Methods Twelve elbows of six Japanese Thiel-embalmed cadavers were evaluated. The skin, subcutaneous tissue and origin of forearm flexors were removed from about 5 cm proximal to the elbow to about 5 cm distal to the elbow, and the ulnar collateral ligament was dissected (intact state). The cut state was defined as the state when the TB was cut in the middle. The joint space of the humeroulnar joint (JS) was measured in the intact state and then in the cut state. With the elbow flexed to 30°, elbow valgus stress was gradually increased to 30, 60 N using the Telos Stress Device, and the JS was measured by ultrasonography under each load condition. Paired t-testing was performed to compare the JS between the intact and cut states under each load. Results No significant difference in JS was identified between the intact and cut state at start limb position. The JS was significantly higher in the cut state than in the intact state at both 30 N and 60 N. Conclusion The findings from this study suggested that the TB may be involved in elbow valgus stability.
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Affiliation(s)
- Mutsuaki Edama
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Shimami-cho 1398, Kita-ku, Niigata City, 950-3198, Japan.
| | - Kanta Matsuzawa
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Shimami-cho 1398, Kita-ku, Niigata City, 950-3198, Japan
| | - Hirotake Yokota
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Shimami-cho 1398, Kita-ku, Niigata City, 950-3198, Japan
| | - Ryo Hirabayashi
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Shimami-cho 1398, Kita-ku, Niigata City, 950-3198, Japan
| | - Chie Sekine
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Shimami-cho 1398, Kita-ku, Niigata City, 950-3198, Japan
| | - Sae Maruyama
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Shimami-cho 1398, Kita-ku, Niigata City, 950-3198, Japan
| | - Noboru Sato
- Division of Gross Anatomy and Morphogenesis, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Solitro GF, Fattori R, Smidt K, Nguyen C, Morandi MM, Barton RS. Role of the transverse ligament of the ulnar collateral ligament of the elbow: a biomechanical study. JSES Int 2021; 5:549-553. [PMID: 34136869 PMCID: PMC8178616 DOI: 10.1016/j.jseint.2021.01.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background The ulnar collateral ligament (UCL) complex of the elbow plays a primary role in valgus and posteromedial stability of the elbow. The anterior oblique ligament (AOL) of the UCL is believed to provide the majority of resistance to external forces on the medial elbow. The transverse ligament (TL) of the UCL is generally thought to have minimal contribution to the elbow’s overall stability. However, recent studies have suggested a more significant role for the TL. The primary aim of this study was to identify the TL’s contribution to the stability of the elbow joint in determining the joint stiffness and neutral zone variation in internal rotation. Methods Twelve cadaveric elbows, set at a 90° flexion angle, were tested by applying an internal rotational force on the humerus to generate a medial opening torque at the level of the elbow. The specimens were preconditioned with 10 cycles of humeral internal rotation with sinusoidal torque ranging from 0 to 5 Nm. Elbow stiffness measures and joint neutral zone were first evaluated in its integrity during a final ramp loading. The test was subsequently repeated after cutting the TL at 33%, 66%, and 100% followed by the AOL in the same fashion. Results The native UCL complex joint stiffness to internal rotation measured 1.52 ± 0.51 Nm/°. The first observable change occurred with 33% sectioning of the AOL, with further sectioning of the AOL minimizing the joint stiffness to 1.26 ± 0.32 Nm/° (P = .004). A 33% resection of the TL found an initial neutral zone variation of 0.376 ± 0.23° that increased to 0.771 ± 0.41° (P < .01) at full resection. These values were marginal when compared with the full resection of the AOL for which we have found 3.69 ± 1.65° (P < .01). Conclusion The TL had no contribution to internal rotation elbow joint stiffness at a flexion angle of 90°. However, sequential sectioning of the TL was found to significantly increase the joint neutral zone when compared with the native cadaveric elbow at a flexion angle of 90°. This provides evidence toward the TL having some form of contribution to the elbow’s overall stability.
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Affiliation(s)
- Giovanni F Solitro
- Department of Orthopedic Surgery, Louisiana State University Health - Shreveport, Shreveport, LA, USA
| | - Roberto Fattori
- Clincal Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Kevin Smidt
- Department of Orthopedic Surgery, Louisiana State University Health - Shreveport, Shreveport, LA, USA
| | - Christian Nguyen
- School of Medicine, Louisiana State University Health - Shreveport, Shreveport, LA, USA
| | - Massimo Max Morandi
- Department of Orthopedic Surgery, Louisiana State University Health - Shreveport, Shreveport, LA, USA
| | - R Shane Barton
- Department of Orthopedic Surgery, Louisiana State University Health - Shreveport, Shreveport, LA, USA
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