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Eccentric Hamstring Strength between Sexes and Physical Activity Levels Among Healthy College-Aged Individuals

Burke, Haley Elizabeth
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1683204258137765

Abstract Details

2023, Master of Science, University of Toledo, Exercise Science.
Context: Lesser eccentric hamstring strength is reported to increase hamstring strain injury (HSI) risk. There is conflicting evidence on whether sex influences hamstring strength. Several studies have investigated different contraction modes, but less is reported for eccentric contractions between sexes.1-5 Physical activity levels have been shown to influence eccentric hamstring strength, with higher active individuals demonstrating greater strength.1 However, the interaction of sex and physical activity level has not been investigated for eccentric strength. Objective: Assess the influence of sex and physical activity level on eccentric hamstring strength in healthy college-aged individuals. Design: Descriptive laboratory study. Setting: Laboratory and student recreation center. Patients or Other Participants: 108 healthy, physically active (Tegner Activity Scale 3 to 10) males and females, aged 18-30 years. Main Outcome Measure(s): Normalized peak eccentric torque (Nm/kg), normalized average eccentric torque (Nm/kg), normalized impulse (Ns/kg), Borg Rating of Perceived Exertion (RPE), and repetitions completed (n). Results: Males had greater eccentric hamstring strength than females and high active individuals had greater eccentric hamstring strength compared to low active individuals. When considering sex and activity levels, low active females had the least eccentric hamstring strength and high active males had the greatest eccentric hamstring strength. . High active males demonstrated the greatest eccentric hamstring strength compared to other groups. Conclusions: Physical activity level and sex influence eccentric hamstring strength. Males may have had greater strength due to higher mass and height. Higher active individuals may have had greater strength due to an increase in muscle training. Our data highlight the continued need to establish sex- and physical activity level-specific normative eccentric hamstring strength values. Word Count: 265
Grant Norte (Committee Chair)
Amanda Murray (Committee Member)
David Bazett-Jones (Committee Member)
107 p.
Kinesiology; Rehabilitation; Sports Medicine
hamstrings; eccentric strength; physical activity

Recommended Citations

Citations

  • Burke, H. E. (2023). Eccentric Hamstring Strength between Sexes and Physical Activity Levels Among Healthy College-Aged Individuals [Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1683204258137765

    APA Style (7th edition)

  • Burke, Haley. Eccentric Hamstring Strength between Sexes and Physical Activity Levels Among Healthy College-Aged Individuals. 2023. University of Toledo, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1683204258137765.

    MLA Style (8th edition)

  • Burke, Haley. "Eccentric Hamstring Strength between Sexes and Physical Activity Levels Among Healthy College-Aged Individuals." Master's thesis, University of Toledo, 2023. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1683204258137765

    Chicago Manual of Style (17th edition)

toledo1683204258137765
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This open access ETD is published by University of Toledo and OhioLINK.