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Lower Extremity Propulsion Biomechanics during a Single Limb Hop for Distance in patients Following Anterior Cruciate Ligament Reconstruction

Verhoff, Kassondra M, Ms.
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525454329918514

Abstract Details

2018, Master of Science, University of Toledo, Exercise Science.
Context: Anterior cruciate ligament (ACL) injuries have an annual occurrence of 250,000; with more than 50% of these injuries occurring in athletes between the ages of 15-25. Anterior cruciate ligament reconstruction (ACLR) is the most common form of surgical intervention following ACL injuries. Quadriceps weakness has been shown to be persistent years after ACLR, and is a modifiable factor that has been related to the early onset of knee osteoarthritis (OA). The propulsion phase during the single limb hop for distance (SLH) needs to be further examined to better understand how patients following ACLR generate their movement. Objective: To investigate lower extremity (LE) propulsion biomechanics during a SLH in patients following ACLR. Design: Descriptive, cross-sectional. Setting: Laboratory. Patients or Other Participants: 5 ACLR males, 3 ACLR females, and 8 equally matched healthy participants. Inclusion: primary unilateral ACLR, ages 15-45, post physician clearance. Exclusion: multi ligament knee injury, LE joint surgery, LE joint injury within 6 months, neurological impairments. Intervention(s): Participants completed 3 successful SLH trials on each limb. Main Objective Measure(s): The SLH trials were assessed with 12 camera 3D motion analysis. LE biomechanics, power, and ground reaction forces were analyzed at the trunk, hip, knee, and ankle. Results: The peak knee extensor moment was significantly decreased in the ACLR group (0.7 + 0.3) compared to the healthy controls (0.9 + 0.2), with an effect size (ES) of -1.23 (-2.13, -0.33). The ACLR group also had a decrease in knee extensor torque (2.03 + 0.38) compared to the healthy controls (2.48 + 0.14), with an ES of -3.21 (-4.46, -1.97). Conclusion: ACLR individuals demonstrated lower peak knee extensor moments, suggesting these individuals are not generating as much torque at the knee and may indicate other strategies being involved to successfully complete the task. Word Count: 300
Grant Norte (Committee Chair)
124 p.
Kinesiology
ACLR, ACL, single limb hop for distance, biomechanics

Recommended Citations

Citations

  • Verhoff, K. M. (2018). Lower Extremity Propulsion Biomechanics during a Single Limb Hop for Distance in patients Following Anterior Cruciate Ligament Reconstruction [Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525454329918514

    APA Style (7th edition)

  • Verhoff, Kassondra. Lower Extremity Propulsion Biomechanics during a Single Limb Hop for Distance in patients Following Anterior Cruciate Ligament Reconstruction . 2018. University of Toledo, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525454329918514.

    MLA Style (8th edition)

  • Verhoff, Kassondra. "Lower Extremity Propulsion Biomechanics during a Single Limb Hop for Distance in patients Following Anterior Cruciate Ligament Reconstruction ." Master's thesis, University of Toledo, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525454329918514

    Chicago Manual of Style (17th edition)

toledo1525454329918514
188
© 2018, some rights reserved.Creative Commons License Lower Extremity Propulsion Biomechanics during a Single Limb Hop for Distance in patients Following Anterior Cruciate Ligament Reconstruction by Kassondra M Verhoff Ms. is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. Based on a work at etd.ohiolink.edu.
This open access ETD is published by University of Toledo and OhioLINK.