Abstract
Background
Push-up is considered as an excellent exercise for both assessment and training in athletes. However, the influence of its mode of application on activation of shoulder girdle musculature has been scantily studied by previous research in young overhead athletes.
Objectives
To investigate the activity of pectoralis major (PM) and triceps brachii (TB) muscle during push-up exercise performed on the push-up bar and perfect push-up using shoulder width (SW), narrow shoulder width (NSW) and wide shoulder width (WSW) hand positions in young overhead athletes.
Methods
24 young overhead athletes were recruited for the present study. Surface electromyography (EMG) was recorded for the PM and the TB muscles during the performance of push-up exercise on the push-up bar and perfect push-up using different hand positions (SW, NSW, and WSW). Root mean square (RMS) of the EMG signal was analyzed during each variation of push-up exercise for both muscles. Muscle activity was calculated as percentage maximum voluntary isometric contraction (% MVIC).
Results
EMG activity of PM muscle was significantly greater in WSW hand position as compared to SW (p < 0.01) and NSW (p < 0.01) hand position; whereas, the activity of TB was significantly greater in NSW hand position as compared to SW (p < 0.01) and WSW (p < 0.01) hand position. There were no significant differences in the EMG activity of PM (p = 0.54) and TB (p = 0.68) muscles between the push-up bar versus the perfect push-up.
Conclusion
WSW hand position may be used during a push-up when the goal is to strengthen PM; whereas, an NSW hand position may be utilized for the selective strengthening of TB muscle. Both perfect push-up and push-up bar may be utilized by overhead athletes for performing push-ups based on the availability of equipment.
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Abbreviations
- PM:
-
Pectoralis major
- TB:
-
Triceps brachii
- NSW:
-
Narrow shoulder width
- WSW:
-
Wide shoulder width
- SW:
-
Shoulder width
- EMG:
-
Electromyography
- Ag–Cl:
-
Silver chloride
- MVIC:
-
Maximum voluntary isometric contraction
- RMS:
-
Root mean square
- MIT:
-
Maximum isometric torque
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Acknowledgements
Authors would like to admit a sincere thanks to Jamia Millia Islamia (A Central University) for providing adequate financial and logistic help during the course of this study.
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The present study was not funded by any external funding organization.
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All procedures performed in the study were in accordance with the ethical standards of the institutional/or national research committee (Institutional Ethics Committee, Jamia Millia Islamia, Proposal No 16/9/122/JMI/IEC/2017) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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AdavamPurath, F., Raza, S., Moiz, J.A. et al. Activity of shoulder girdle muscles during the perfect push-up and push-up bar exercises using different hand positions in young overhead athletes. Sport Sci Health 16, 65–73 (2020). https://doi.org/10.1007/s11332-019-00574-w
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DOI: https://doi.org/10.1007/s11332-019-00574-w