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Erdman A, Loewen A, Dressing M, Wyatt C, Oliver G, Butler L, Sugimoto D, Black AM, Tulchin-Francis K, Bazett-Jones DM, Janosky J, Ulman S. A 2D video-based assessment is associated with 3D biomechanical contributors to dynamic knee valgus in the coronal plane. Front Sports Act Living 2024; 6:1352286. [PMID: 38558858 PMCID: PMC10978775 DOI: 10.3389/fspor.2024.1352286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 03/05/2024] [Indexed: 04/04/2024] Open
Abstract
Introduction Adolescent athletes involved in sports that involve cutting and landing maneuvers have an increased risk of anterior cruciate ligament (ACL) tears, highlighting the importance of identifying risky movement patterns such as dynamic knee valgus (DKV). Qualitative movement screenings have explored two-dimensional (2D) scoring criteria for DKV, however, there remains limited data on the validity of these screening tools. Determining a 2D scoring criterion for DKV that closely aligns with three-dimensional (3D) biomechanical measures will allow for the identification of poor knee position in adolescent athletes on a broad scale. The purpose of this study was to establish a 2D scoring criterion that corresponds to 3D biomechanical measures of DKV. Methods A total of 41 adolescent female club volleyball athletes performed a three-task movement screen consisting of a single-leg squat (SLS), single-leg drop landing (SLDL), and double-leg vertical jump (DLVJ). A single rater scored 2D videos of each task using four criteria for poor knee position. A motion capture system was used to calculate 3D joint angles, including pelvic obliquity, hip adduction, knee abduction, ankle eversion, and foot progression angle. Receiver operating characteristic curves were created for each 2D scoring criterion to determine cut points for the presence of movement faults, and areas under the curve (AUC) were computed to describe the accuracy of each 2D criterion compared to 3D biomechanical data. Results 3D measures indicated knee abduction angles between 2.4°-4.6° (SD 4.1°-4.3°) at the time point when the center of the knee joint was most medial during the three tasks. AUCs were between 0.62 and 0.93 across scoring items. The MEDIAL scoring item, defined as the knee joint positioned inside the medial border of the shoe, demonstrated the greatest association to components of DKV, with AUCs ranging from 0.67 to 0.93. Conclusion The MEDIAL scoring criterion demonstrated the best performance in distinguishing components of DKV, specifically pelvic obliquity, hip adduction, ankle eversion, and foot progression. Along with the previously published scoring definitions for trunk-specific risk factors, the authors suggest that the MEDIAL criterion may be the most indicative of DKV, given an association with 3D biomechanical risk factors.
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Affiliation(s)
- Ashley Erdman
- Movement Science Lab, Division of Sports Medicine, Scottish Rite for Children, Frisco, TX, United States
| | - Alex Loewen
- Movement Science Lab, Division of Sports Medicine, Scottish Rite for Children, Frisco, TX, United States
| | - Michael Dressing
- Department of Orthopedics, Joe DiMaggio Children’s Hospital, Hollywood, FL, United States
| | - Charles Wyatt
- Movement Science Lab, Division of Sports Medicine, Scottish Rite for Children, Frisco, TX, United States
- Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Gretchen Oliver
- Sports Medicine & Movement Laboratory, School of Kinesiology, Auburn University, Auburn, AL, United States
| | - Lauren Butler
- Department of Rehabilitation, Nicklaus Children’s Hospital, Miami, FL, United States
| | - Dai Sugimoto
- Faculty of Sport Sciences, Waseda University, Tokyo, Japan
- Sports Medicine Division, The Micheli Center for Sports Injury Prevention, Waltham, MA, United States
| | - Amanda M. Black
- Centre for Healthy Youth Development Through Sport, Department of Kinesiology, Faculty of Applied Health Sciences, Brock University, St. Catharines, ON, Canada
| | - Kirsten Tulchin-Francis
- Department of Orthopedic Surgery, Nationwide Children’s Hospital, Columbus, OH, United States
| | - David M. Bazett-Jones
- Department of Exercise and Rehabilitation Sciences, College of Health and Human Services, The University of Toledo, Toledo, OH, United States
| | - Joseph Janosky
- Sports Medicine Institute, Hospital for Special Surgery, New York, NY, United States
| | - Sophia Ulman
- Movement Science Lab, Division of Sports Medicine, Scottish Rite for Children, Frisco, TX, United States
- Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX, United States
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Ekdahl M, Ulman S, Butler L. Relationship of Knee Abduction Moment to Trunk and Lower Extremity Segment Acceleration during Sport-Specific Movements. SENSORS (BASEL, SWITZERLAND) 2024; 24:1454. [PMID: 38474989 DOI: 10.3390/s24051454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 02/10/2024] [Accepted: 02/19/2024] [Indexed: 03/14/2024]
Abstract
The knee abduction moment (KAM) has been identified as a significant predictor of anterior cruciate ligament (ACL) injury risk; however, the cost and time demands associated with collecting three-dimensional (3D) kinetic data have prompted the need for alternative solutions. Wearable inertial measurement units (IMUs) have been explored as a potential solution for quantitative on-field assessment of injury risk. Most previous work has focused on angular velocity data, which are highly susceptible to bias and noise relative to acceleration data. The purpose of this pilot study was to assess the relationship between KAM and body segment acceleration during sport-specific movements. Three functional tasks were selected to analyze peak KAM using optical motion capture and force plates as well as peak triaxial segment accelerations using IMUs. Moderate correlations with peak KAM were observed for peak shank acceleration during single-leg hop; peak trunk, thigh, and shank accelerations during a deceleration task; and peak trunk, pelvis, and shank accelerations during a 45° cut. These findings provide preliminary support for the use of wearable IMUs to identify peak KAM during athletic tasks.
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Affiliation(s)
| | - Sophia Ulman
- Scottish Rite for Children, Frisco, TX 75034, USA
- Department of Orthopaed Surgery, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Lauren Butler
- Nicole Wertheim College of Nursing and Health Sciences, Florida International University, Miami, FL 33199, USA
- Nicklaus Children's Hospital, Miami, FL 33155, USA
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Ulman S, Loewen AM, Erdman AL, Õunpuu S, Chafetz R, Tulchin-Francis K, Wren TAL. Lower-extremity kinematics and kinetics differ based on drop vertical jump variation: An assessment of methodology for a return-to-play protocol using motion analysis. Gait Posture 2024; 108:132-138. [PMID: 38042067 DOI: 10.1016/j.gaitpost.2023.11.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/07/2023] [Accepted: 11/24/2023] [Indexed: 12/04/2023]
Abstract
BACKGROUND The drop vertical jump (DVJ) is commonly used in return-to-play evaluations to assess movement quality and risk during a dynamic task. However, across biomechanics literature, a multitude of DVJ variations have been used, influencing the generalizability and potential interpretation of the reported findings. RESEARCH QUESTION The purpose of this study was to identify differences in lower extremity kinematics and kinetics between DVJ variations that differ based on horizontal jump distance, verbal instructions, and the use of a jump target. METHODS A single-group repeated measures design was used in a laboratory setting. Twenty participants were tested, and three-dimensional angles and moments of the pelvis, hip, knee, and ankle were computed. Wilcoxon signed rank tests were performed to determine differences between DVJ variations. RESULTS Reduced knee flexion at initial contact and greater knee extensor moments across the descent phase were observed with increased horizontal jump distance. Additionally, both verbal instructions and a jump target influenced movement strategies at the pelvis, hip, and knee. Ground reaction forces were found to be similar across conditions and jump height following the first landing increased with a target. SIGNIFICANCE Although subtle, the biomechanical differences observed between task variations emphasize the importance of standardizing motion analysis protocols for research and clinical decision-making. Given the findings of the current study, the authors recommend using the Half Height variation in patients treated for a knee injury as it will likely be the most indicative of movement quality.
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Affiliation(s)
| | | | | | - Sylvia Õunpuu
- Connecticut Children's Medical Center, Farmington, CT, USA
| | - Ross Chafetz
- Shriners Hospitals for Children - Philadelphia, Philadelphia, PA, USA
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Miralles-Iborra A, Elvira JLL, Del Coso J, Hernandez-Sanchez S, Pino-Ortega J, Moreno-Pérez V. Influence of a football match on landing biomechanics and jump performance in female football players. Scand J Med Sci Sports 2024; 34:e14518. [PMID: 37828778 DOI: 10.1111/sms.14518] [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: 01/12/2023] [Revised: 09/21/2023] [Accepted: 09/29/2023] [Indexed: 10/14/2023]
Abstract
This study aimed to assess the acute effect of a competitive football match on jump performance and kinematic parameters during jump landing in semiprofessional female football players. Twenty-two semiprofessional players (20 ± 3 years) underwent a drop jump task for a posterior video analysis of the landing phase. These measurements were obtained at (1) baseline, (2) after, and (3) 48 h after a competitive football match. A one-way ANOVA with repeated measures was employed to detect differences over the time. There was a main effect of time for maximal knee flexion angle during drop landing (p = 0.001). In comparison with baseline, maximal knee flexion angle was reduced immediately post-match and was still reduced 48 h after the match (63.4 ± 8.6 vs 57.0 ± 11.7 vs 48.9 ± 19.1, p ≤ 0.038). There was also a main effect of time for drop jump height (p < 0.001). Drop jump height was reduced immediately post-match and remained low 48 h after the match in comparison with baseline (27.3 ± 3.6 vs 24.5 ± 2.8 ~ 25.5 ± 3.0 cm, p ≤ 0.002). There was a main effect of time on hip flexion angle during landing (p = 0.001), but the pairwise comparison revealed that this variable was not affected immediately post-match but was lower 48 h after the match than at baseline (50.1 ± 10.1 ~ 50.8 ± 13.2 vs 38.1 ± 17.8 °, p ≤ 0.005). A competitive football match worsened jump performance and several landing biomechanical parameters in female football players, which were still decreased in comparison with baseline even 48 h after the match.
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Affiliation(s)
- Aaron Miralles-Iborra
- Sports Research Centre (Department of Sport Sciences), Miguel Hernandez University of Elche, Alicante, Spain
| | - Jose L L Elvira
- Sports Research Centre (Department of Sport Sciences), Miguel Hernandez University of Elche, Alicante, Spain
| | - Juan Del Coso
- Sport Sciences Research Centre, Rey Juan Carlos University, Fuenlabrada, Spain
| | - Sergio Hernandez-Sanchez
- Traslational Research Centre of Physiotherapy, Department of Pathology and Surgery, Faculty of Medicine, Miguel Hernandez University, Alicante, Spain
| | - Jose Pino-Ortega
- Physical Activity and Sports Department, International Excellence Campus "Mare Nostrum", Faculty of Sports Science, University of Murcia, Murcia, Spain
| | - Victor Moreno-Pérez
- Sports Research Centre (Department of Sport Sciences), Miguel Hernandez University of Elche, Alicante, Spain
- Traslational Research Centre of Physiotherapy, Department of Pathology and Surgery, Faculty of Medicine, Miguel Hernandez University, Alicante, Spain
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Butler L, Martinez A, Erdman A, Sugimoto D, Loewen A, Milian E, Wyatt C, Hayden K, DeVerna A, Tulchin-Francis K, Ulman S. Concurrent Validity of The Expanded Cutting Alignment Scoring Tool (E-CAST). Int J Sports Phys Ther 2023; 18:1147-1155. [PMID: 37795331 PMCID: PMC10547067 DOI: 10.26603/001c.87633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 08/28/2023] [Indexed: 10/06/2023] Open
Abstract
Background The Expanded Cutting Alignment Scoring Tool (E-CAST) has been previously shown to be reliable when assessing lower extremity alignment during a 45-degree sidestep cut, however, the validity of this tool remains unknown. The purpose of this study was to assess the concurrent validity of the E-CAST by comparing visually identified movement errors from two-dimensional (2D) video with three-dimensional (3D) biomechanical variables collected using motion capture. Study Design Cross Sectional. Methods Sixty female athletes (age 14.1 ± 1.5 years) who regularly participated in cutting/pivoting sports performed a sidestep cut with 2D video and 3D motion capture simultaneously recording. One clinician scored the 2D videos for each limb using the E-CAST criteria. Joint angles and moments captured in 3D were computed for the trunk and knee. Receiver operating characteristic (ROC) curve analyses were performed to determine the accuracy of each E-CAST item and to provide cut-off points for risk factor identification. Results ROC analyses identified a cut-off point for all biomechanical variables with sensitivity and specificity ranging from 70-85% and 55-89%, respectively. Across items, the area under the curve ranged from 0.67 to 0.91. Conclusion The E-CAST performed with acceptable to outstanding area under the curve values for all variables except static knee valgus. Level of evidence 3b.
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Affiliation(s)
- Lauren Butler
- Physical Therapy Florida International University
- Rehabilitation, Nicklaus Children's Hospital
| | | | | | - Dai Sugimoto
- Waseda University
- The Micheli Center for Sports Injury Prevention
| | | | | | - Charles Wyatt
- Scottish Rite for Children
- University of Texas Southwestern Medical Center
| | | | | | | | - Sophia Ulman
- Scottish Rite for Children
- University of Texas Southwestern Medical Center
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Karimi K, Seidi F, Mousavi SH, Alghosi M, Morad NH. Comparison of postural sway in individuals with and without dynamic knee valgus. BMC Sports Sci Med Rehabil 2023; 15:75. [PMID: 37400853 DOI: 10.1186/s13102-023-00686-4] [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: 03/28/2023] [Accepted: 06/27/2023] [Indexed: 07/05/2023]
Abstract
BACKGROUND Dynamic knee valgus (DKV) is a multi-planar faulty movement pattern that can cause faulty postural control. The primary objective of this study is to investigate the differences in postural sway (PS) between individuals aged 18-30 years old diagnosed with and without DKV. METHODS In this cross-sectional study, 62 students (39 males and 23 females) with and without DKV (age: 24.58 ± 2.63 years) were selected and assigned to two groups by conducting the single-leg squat test in the screening stage. The Biodex balance system was then employed to compare the two groups in PS. Mann-Whitney U test was conducted to compare the groups in PS (p ≤ 0.05). RESULTS The study's findings indicate that individuals with DKV did not exhibit any significant differences, compared to those without, about the anterior-posterior stability index (with p values for both static and dynamic situations at 0.309 and 0.198, respectively), medial-lateral stability index (with p values for both static and dynamic situations at 0.883 and 0.500, respectively), and overall stability index (with p values for both static and dynamic situations at 0.277 and 0.086, respectively). CONCLUSION Though several possible factors could contribute to the lack of significant differences in postural sway between individuals with and without DKV, such as measurement tool differences, variable sensitivity in postural stability tests, and differences in movement variability and test stance, we recommend analyzing postural sway in more functional tasks and with different methodological patterns in future studies. Such research could help develop targeted interventions for individuals with DKV and offer a better understanding of the relationship between postural control and DKV.
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Affiliation(s)
- Kimia Karimi
- Department of Health and Sports Medicine, Faculty of Sports Sciences and Health, University of Tehran, Tehran, Iran
| | - Foad Seidi
- Department of Health and Sports Medicine, Faculty of Sports Sciences and Health, University of Tehran, Tehran, Iran.
| | - Seyed Hamed Mousavi
- Department of Health and Sports Medicine, Faculty of Sports Sciences and Health, University of Tehran, Tehran, Iran
| | - Mohammad Alghosi
- Department of Health and Sports Medicine, Faculty of Sports Sciences and Health, University of Tehran, Tehran, Iran
| | - Nafiseh Homaie Morad
- Department of Health and Sports Medicine, Faculty of Sports Sciences and Health, University of Tehran, Tehran, Iran
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Glasser L, Frey M, Frias GC, Varghese B, Melendez JX, Hawes JD, Escobar J, Katt BM. Ballet Rehabilitation: A Novel Return to Sport Protocol. Cureus 2022; 14:e27896. [PMID: 36120223 PMCID: PMC9467490 DOI: 10.7759/cureus.27896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/11/2022] [Indexed: 11/05/2022] Open
Abstract
Dance injuries and re-injuries are common but can be difficult to rehabilitate because of the unique demands and motor skills required. During tissue healing, pain resolves prior to tissue maturation and re-injury often occurs if the original injury is not properly rehabilitated. The purpose of this narrative review is to analyze the existing literature addressing ballet injury, re-injury, and recovery, and to provide clinicians with timing guidelines for entering and implementing a Return to Sport (RTS) ballet rehabilitation protocol designed to prevent re-injury by progressive, sport-specific tissue loading. Thus far, a literature-based ballet-specific and body region-specific late-stage rehabilitation RTS protocol has not been established. The authors sought to address this literature gap by combining this comprehensive narrative review with our extensive clinical expertise to develop a late-stage rehabilitation RTS protocol to help guide medical clinicians treating injured ballet dancers.
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