The effect of proprioceptive knee bracing on knee stability after anterior cruciate ligament reconstruction |
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| Affiliation: | 1. Ecole Nationale Supérieure des Mines, CIS-EMSE, CNRS:UMR5307, LGF, F-42023 Saint-Etienne, France;2. Pôle des Technologies Médicales, F-42000 Saint-Etienne, France;3. Department of Clinical Physiology of Exercise, Units of Sport Medicine and Myology, Bellevue Hospital, University Hospital Center, Saint-Etienne, France;4. University of Lyon, Physiology of Exercise Laboratory, Saint-Etienne, France;5. Physical Medicine and Rehabilitation Department, Bellevue Hospital, University Hospital Center, Saint-Etienne, France;6. Orthopaedic surgery department, North Hospital, 42055 Saint Etienne, Cedex 2, France;1. Department of Orthopedic Surgery, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina;2. Department of Research and Statistics, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina;1. Department of Physiotherapy, The University of Melbourne, Parkville, Victoria, Australia;2. Department of Mechanical Engineering, The University of Melbourne, Parkville, Victoria, Australia;3. School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Queensland, Australia;4. School of Allied Health, La Trobe University, Bundoora, Victoria, Australia;5. Physiotherapy Department, St Vincent''s Hospital, Melbourne, Victoria, Australia;1. Centre for Applied Sport and Exercise Sciences, School of Sport and Wellbeing, College of Health and Wellbeing, University of Central Lancashire, Lancashire, UK;2. Allied Health Research Unit, School of Health Sciences, College of Health and Wellbeing, University of Central Lancashire, Lancashire, UK;3. School of Psychology, College of Science and Technology, University of Central Lancashire, Lancashire, UK;1. Department of Clinical Science, Intervention and Technology, Division of Orthopedics, Karolinska Institutet, Stockholm, Sweden;2. Department of Clinical Sciences, Danderyd Hospital, Karolinska Institutet, Stockholm, Sweden;3. Department of Clinical Science, Intervention and Technology, Division of Medical Imaging and Technology, Karolinska Institutet, Stockholm, Sweden;4. Department of Radiology, Karolinska University Hopsital at Huddinge, Stockholm, Sweden |
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| Abstract: | BackgroundInjury to the anterior cruciate ligament (ACL) is common among young athletes and can impact knee stability and control. Wearing proprioceptive knee braces can improve knee control and may reduce the risk factors associated with injury and re-injury, although the effect of such braces after ACL reconstruction (ACLR) is unclear.Research questionThis study aimed to determine the effect of proprioceptive knee bracing on knee control and subjective rating of participants post ACLR during three dynamic tasks.MethodsFifteen participants 2–10 years post ACLR performed a slow step down, single leg drop jump, and pivot turn jump with and without a proprioceptive knee brace. Knee kinematics in the sagittal (flexion – extension), coronal (abduction – adduction), and transverse (internal – external rotation) planes were collected using a 3D infrared system. Paired t-tests were performed to explore differences in knee angles and angular velocities between the no brace and brace conditions during the three tasks. After each task, subjective ratings regarding ease of the task were recorded.ResultsThe brace reduced the peak knee external rotation angle and range of motion in the transverse plane during the pivot turn jump task, and significantly increased the maximum knee flexion angular velocity during the single leg drop jump task. The majority of participants reported that tasks were easier to perform with the proprioceptive brace than without.SignificanceThis study confirms that proprioceptive knee braces can significantly influence knee kinematics during dynamic tasks post ACLR. The observed effects were clinically relevant. |
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| Keywords: | Kinematic Knee instability Bracing Anterior cruciate ligament reconstruction |
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