Graduate Thesis Or Dissertation

 

Evaluating the Usefulness of a Functional Test Battery for Determining Return to Full Activity in Females with Anterior Cruciate Ligament Reconstruction Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/rx913s28n

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  • A functional test battery (FTB), which combines the use of subjective and objective functional measures, has been proposed as a potential means to distinguish anterior cruciate ligament reconstructed (ACLR) patients' that can more safely participate in activity from those at greater risk. However, no previous study has directly assessed whether ACLR females who pass a FTB exhibit landing biomechanics before and after exercise that are similar to healthy females and more favorable than ACLR females that fail the FTB. Thirty recreationally-active females completed a FTB consisting of two subjective questionnaires evaluating knee function, quadriceps strength testing, and four single leg hop tests. Bilateral lower extremity biomechanics were measured during two landing tasks before and after the completion of 30 minutes of sustained exercise. Non-dominant/ACLR limb biomechanics and limb biomechanics asymmetry were compared between 12 healthy females, 10 ACLR females that passed the FTB, and 8 ACLR females that failed the FTB. While ACLR-females that passed or failed the FTB did exhibit some differences in biomechanical asymmetry compared to healthy females, no differences in ACL reconstructed knee biomechanics or biomechanical asymmetry were identified between ACLR females that passed or failed the FTB during landings performed before and after sustained exercise. Further, in contrast to previous studies, ACLR females exhibited slightly greater loading on the ACL reconstructed limb compared to the uninvolved limb and similar quadriceps strength and symmetry as healthy females. These results indicate that the FTB used in this study is not useful for identifying ACLR females that exhibit knee joint landing biomechanics and asymmetries that may present an increased risk for ACL injury; and that restoring quadriceps function after ACLR is likely essential for reducing the risk of subsequent knee joint injury.
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  • description.provenance : Submitted by Eun Wook Chang (changeu@oregonstate.edu) on 2016-06-10T19:51:56Z No. of bitstreams: 1 ChangEunWook_2016.pdf: 1645803 bytes, checksum: 40a3fc434512e2af89ece864b80335fc (MD5)
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  • description.provenance : Approved for entry into archive by Laura Wilson(laura.wilson@oregonstate.edu) on 2016-06-13T21:22:21Z (GMT) No. of bitstreams: 1 ChangEunWook_2016.pdf: 1645803 bytes, checksum: 40a3fc434512e2af89ece864b80335fc (MD5)

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