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    Kinematic and Electromyographic Analysis of Elbow Flexion During Inertial Exercise

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    Author
    Tracy, James E.; Obuchi, Shuchi; Johnson, Ben
    Abstract
    Inertial exercise protocols are currently used clinically to improve and restore normal muscle function even though research to substantiate their effectiveness cannot be cited in the literature. The purpose of this study was to compare simultaneous kinematic and electromyographic (EMG) data obtained from 12 subjects during elbow flexion on the Impulse Inertial Exercise System. Testing sessions consisted of inertial exercise performed using phasic and tonic techniques with loads of: a) 0 kg, b) 2.27 kg, c) 4.54 kg, d) 6.80 kg, and e) 9.07 kg. Greater peak angular velocities, peak plafform accelerations (change in velocity of plafform during elbow flexion), mean and peak triceps brachii muscle EMG activity, and less range of motion were observed during phasic exercise. There was also a general trend for peak angular velocities and peak plafform acceleration to increase as the load decreased. No significant difference in mean or peak EMG activity of the biceps brachii muscle was seen between techniques. Clinicians and athletic trainers using inertial exercise should consider both the exercise technique and load characteristics when designing protocols to meet the specific needs of patients. Originally published Journal of Athletic Training, Vol. 30, No. 3, Sep 1995
    URI
    http://hdl.handle.net/10342/3410
    Subject
     Inertial exercise; Kinematic data; Electromyographic data 
    Date
    1995-09
    Citation:
    APA:
    Tracy, James E., & Obuchi, Shuchi, & Johnson, Ben. (September 1995). Kinematic and Electromyographic Analysis of Elbow Flexion During Inertial Exercise. Journal of Athletic Training, 30(3), 254- 258. Retrieved from http://hdl.handle.net/10342/3410

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    Tracy, James E., and Obuchi, Shuchi, and Johnson, Ben. "Kinematic and Electromyographic Analysis of Elbow Flexion During Inertial Exercise". Journal of Athletic Training. 30:3. (254-258), September 1995. May 29, 2023. http://hdl.handle.net/10342/3410.
    Chicago:
    Tracy, James E. and Obuchi, Shuchi and Johnson, Ben, "Kinematic and Electromyographic Analysis of Elbow Flexion During Inertial Exercise," Journal of Athletic Training 30, no. 3 (September 1995), http://hdl.handle.net/10342/3410 (accessed May 29, 2023).
    AMA:
    Tracy, James E., Obuchi, Shuchi, Johnson, Ben. Kinematic and Electromyographic Analysis of Elbow Flexion During Inertial Exercise. Journal of Athletic Training. September 1995; 30(3): 254-258. http://hdl.handle.net/10342/3410. Accessed May 29, 2023.
    Collections
    • Physical Therapy
    Publisher
    East Carolina University

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