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Activity Number:
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243
- Statistics in Sports and Beyond
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Type:
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Contributed
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Date/Time:
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Wednesday, August 11, 2021 : 10:00 AM to 11:50 AM
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Sponsor:
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Section on Statistics in Sports
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Abstract #318777
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Title:
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Repeated Measures Investigation of the Change in Between-Limb Gait Asymmetries for Post-ACLR Subjects in an Asymmetric Walking Rehabilitation Protocol
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Author(s):
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Carolyn B Morgan* and Yannis K Halkiadakis and Kristin D Morgan
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Companies:
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MECK Limited LLC and University of Connecticut and University of Connecticut
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Keywords:
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Repeated Measures;
Return to Sport;
Gait differences;
Asymmetric walking;
Limb loading rate;
anterior cruciate ligament
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Abstract:
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Over 250,000 anterior cruciate ligament (ACL) injuries occur annually. Despite ACL reconstruction (ACLR) and rehabilitation, between-limb gait differences can persist in post-ACLR individuals. Gait differences lead to altered limb loading rates which contributes to detrimental knee loading and the initiation of post traumatic knee osteoarthritis. Rehabilitation efforts and return-to-sport criteria are often directed at restoring between-limb symmetry. While this is challenging, stroke research offers a promising approach that utilizes asymmetric walking. Asymmetric walking functions to correct adverse between-limb gait differences and occurs when an individual is made to intentionally walk with each limb moving at a different speed. Repeated measures analysis was used to assess the effect of asymmetric walking in restoring between-limb loading rate symmetry using the loading rate gait changes in the injured and non-injured limbs. The hypothesis that post-ACLR individuals adopted symmetric between-limb loading rates in response to the asymmetric walking protocol was supported. An initial higher average loading rate was predicted for the injured limb with a decrease over time.
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Authors who are presenting talks have a * after their name.
