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  • Title: An electromyographical analysis of the scapular stabilizing synergists during a push-up progression.
    Author: Lear LJ, Gross MT.
    Journal: J Orthop Sports Phys Ther; 1998 Sep; 28(3):146-57. PubMed ID: 9742471.
    Abstract:
    Current literature recommends incorporating push-up progressions into upper extremity rehabilitation for advanced training of the scapular stabilizers. No documentation exists to demonstrate changes in the level of muscle activation when push-up progressions are performed. The purpose of this study was to determine the effect of difficulty level for push-ups on electrical activity of the scapular stabilizing synergists. Sixteen subjects performed five repetitions for each of the three conditions in a push-up progression. Electromyographic data collected on the serratus anterior, upper trapezius, and lower trapezius revealed a statistically significant interaction effect between the serratus anterior and upper trapezius and push-up condition when the feet were elevated. No significant interaction was found between push-up condition and the lower trapezius. This study supports the clinical use of push-up progressions to facilitate activation of the serratus anterior and the upper trapezius during upper extremity rehabilitation.
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