Effect of Vibration Frequency on Serratus Anterior Muscle Activity during Performance of the Push-up Plus with a Redcord Sling

• Published in: Journal of Physical Therapy Science Vol. 26; no. 8; pp. 1275 - 1276
• Main Authors: Yoo, Won-gyu, Kim, Eui-ryong, Oh, Jae-seop
• Format: Journal Article
• Language: English
• Published: Japan The Society of Physical Therapy Science 01.08.2014
• Subjects: Mechanical vibration; Original; Push-up plus; Serratus anterior; Push-up plus; Serratus anterior; Mechanical vibration
• ISSN: 0915-5287; 2187-5626; 2187-5626
• DOI: 10.1589/jpts.26.1275

[Purpose] We investigated the effect of vibration at various frequencies on serratus anterior (SA) muscle activity. [Subjects] Ten male subjects were recruited. [Methods] The subjects performed the push-up plus exercise supported by straps above the surface and vertical ropes in the Redcord sling. During the push-up plus, vibrations of 0, 30, 50, or 90 Hz were applied to the Redcord sling using a mechanical vibration apparatus attached to the rope. SA muscle activity was recorded using electromyography. [Results] SA muscle activity at the 50 Hz vibration frequency was significantly higher than that of no vibration. [Conclusion] Performing the push-up plus using a Redcord sling with mechanical vibration of 50 Hz effectively increased SA muscle activity.