Effects of the real-time feedback and knee taping on lower-extremity function during ergometer pedaling in subjects with tibiofemoral varus alignment |
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| Institution: | 1. Department of Biomechanics and Sport Injuries, Faculty of Physical Education, Kharazmi University, Tehran, Iran;2. Department of Sports Injury and Corrective Exercise, Faculty of Physical education, Allameh Tabataba’i University, Tehran, Iran;1. Department of Biomechanics and Sport Injuries, Faculty of Physical Education, Kharazmi University, Tehran, Iran;2. Department of Sports Injury and Corrective Exercise, Faculty of Physical education, Allameh Tabataba’i University, Tehran, Iran;1. Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milano, Italy;2. Dipartimento di Meccanica, Politecnico di Milano, Milano, Italy;3. Exercise Physiology and Physical Assessment Laboratory, Serra Gaúcha University Center, Caxias do Sul, Brazil;4. Integrated Colleges of Taquara (FACCAT), Taquara, Brazil;1. Center for Motion Analysis, Connecticut Children’s Medical Center, Farmington, CT, USA;2. Children’s Orthopaedic Center, Children’s Hospital Los Angeles, Los Angeles, CA, USA;1. Academy for Engineering & Technology, Fudan University, 220 Handan Road, Shanghai, PR China;2. National Clinical Research Center for Geriatric Diseases (NCRCGD), Huashan Hospital, Fudan University, 12 Middle Wulumuqi Road, Shanghai, PR China;3. Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences Suzhou, PR China;1. Applied Biomechanics Lab, Joint Dept. of BME, UNC Chapel Hill and NC State University, USA;2. Dept. of Chemical and Biomedical Engineering, West Virginia University, USA;3. Division of Physical Therapy, Department of Allied Health Sciences, UNC Chapel Hill, USA;1. Faculty of Rehabilitation, Kansai Medical University, 18-89 Uyama Higashimachi, Hirakata, Osaka 573-1136, Japan;2. Human Health Sciences, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan;3. Fukui General Clinic, 1-42-1 Nittazuka, Fukui-shi,Fukui 910-0067, Japan;1. Gillette Children’s Specialty Healthcare, St. Paul, MN, United States;2. Department of Orthopedic Surgery, University of Minnesota, Minneapolis, MN, United States |
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| Abstract: | BackgroundThe effect of the Posterior X Taping (PXT) used for subjects with Tibiofemoral Varus Malalignment (TFRV) aimed to control excessive tibiofemoral rotations is still unclear. Further, it is critical to use evidence-based therapeutic exercises to prevent non-contact injuries, especially in repetitive movements.ObjectiveTo investigate whether the PXT and real-time feedback (RTF) interventions would improve lower extremity functions during the pedaling task in subjects with TFRV.MethodsTwenty-four male recreational athletes with TFRV participated in this study; Kinematic and muscle activity were synchronously recorded on ten consecutive pedal cycles during the last 30 s of 2-min pedaling.ResultsThe present study indicated that the subjects at the post-intervention of the RTF group exhibited significant decreased hip adduction and internal rotation, significant decreased tibiofemoral external rotation between 144° and 216° of crank angle, significant increased vastus medialis activity between 144° and 288° of crank angle, and significant increased gluteus medius activity between 180° and 144° of crank angle; In contrast, the subjects at the post-intervention of the PXT group exhibited significant decreased tibiofemoral external rotation and increased ankle external rotation at all the crank angles. No between-group differences were observed in pre-and post-intervention.SignificanceThese results suggest that the PXT and RTF interventions are recommended to immediately improve the functional defects of the subjects with TFRV during the pedaling task. |
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| Keywords: | Posterior X taping Kinematic Electromyography Postural malalignment |
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