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Upper Extremity Muscle Activation and Motion in Active Males

Saito, Yoshitomo , Saito
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525348361907357

Abstract Details

2018, Master of Science, University of Toledo, Exercise Science.
Context: Elbow injuries consist of more than half of all baseball related injuries reported in the NCAA from 1998 to 2004. Specifically, injuries to the UCL are common among baseball pitchers. During baseball pitching, mean torque on the UCL of the elbow is around 65Nm; however, mean load to cause a UCL to fail is 35Nm. In addition to stabilization from UCL, flexor-pronator muscle group provides stabilization during baseball pitching. It is shown that pitch fatigue increases injury rate by 36 times. However, there is a limited amount of research done focusing on muscle fatigue during a simulated baseball game. Objectives: The purpose of this study is to assess muscle activation in pitchers using surface EMG during a simulated baseball game, and to compare changes in velocity and self-reported fatigue during a simulated game. Design: descriptive laboratory study Patients: 9 healthy males. Inclusion: healthy 18-24-year-old male, currently active or former (within 2-3 years from retirement) high school or collegiate baseball pitcher. Exclusion: Current elbow or/and shoulder injury. Current restriction from sports participation. Previous surgery to the throwing elbow or shoulder. Intervention(s): Participation will complete a maximum 120 pitches Outcome Measures: Video was assessed with 12 camera 3D analysis. Surface EMG data was assessed using a wireless surface EMG system. Results: No statistical significance in both FCU and FCR muscle activity across a game. Our result shows that FCU muscle activity increased, and FCR muscle activity decreased across a simulated game. On the other hand, there was a statistical significance in biceps muscle activity with decreased data across a simulated game. Our data shows that pitching velocity did not change drastically, however, participants continued to increase self-reported perceived fatigue. Conclusion: Baseball pitchers experienced increase in self-reported fatigue with small changes in muscle activities and velocity during a simulated game.
Christopher Ingersoll, PhD, AT, ATC (Committee Chair)
Neal Glaviano, PhD, AT, ATC (Committee Member)
Amanda Murray , PT, DPT, PhD (Committee Member)
91 p.
Kinesiology

Recommended Citations

Citations

  • Saito, Saito, Y. (2018). Upper Extremity Muscle Activation and Motion in Active Males [Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525348361907357

    APA Style (7th edition)

  • Saito, Saito, Yoshitomo . Upper Extremity Muscle Activation and Motion in Active Males. 2018. University of Toledo, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525348361907357.

    MLA Style (8th edition)

  • Saito, Saito, Yoshitomo . "Upper Extremity Muscle Activation and Motion in Active Males." Master's thesis, University of Toledo, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525348361907357

    Chicago Manual of Style (17th edition)

toledo1525348361907357
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This open access ETD is published by University of Toledo and OhioLINK.