Effect of altered carrying angle on the medial-to-lateral activation ratio in the biceps brachii and triceps brachii

Journal of Physical Therapy Science
Ga-Hee KimBo-Ram Choi

Abstract

[Purpose] The purpose of this research was to examine differences in muscle activity between the resting forearm position (RFP) and the straight forearm position (SFP) during upper arm strengthening exercises. [Participants and Methods] In total, 35 healthy college students were randomly sampled (18 males and 17 females). Surface electromyography data were collected from the medial and lateral sides of the biceps and triceps brachii muscles. [Results] The medial muscles showed greater activity during SFP versus RFP, but no difference in overall activation was found between the two positions. [Conclusion] Carrying angle less affected to biceps and triceps brachii muscles activation during upper arm strengthening exercises.

References

Jan 1, 1989·Journal of Biomechanics·K N AnE Y Chao
Dec 3, 2003·Surgical and Radiologic Anatomy : SRA·G ParaskevasJ Gigis
Jan 12, 2005·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Terry K K Koo, Arthur F T Mak

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