Effects of performing an abdominal hollowing exercise on trunk muscle activity during curl-up exercise on an unstable surface

Journal of Physical Therapy Science
Moon-Hwan Kim, Jae-Seop Oh

Abstract

[Purpose] The purpose of this study was to investigate the effects of the abdominal hollowing exercise on trunk muscle activity during the curl-up exercise on an unstable surface by measuring electromyography (EMG) activity. [Subjects] Fourteen young healthy adults (nine male, five female) voluntarily participated in this study. [Methods] Each subject was asked to perform a curl-up exercise on two supporting surfaces (stable and unstable surfaces) combined with the abdominal hollowing exercise on an unstable surface. The muscle activities of the rectus abdominis (RA), external oblique (EO), internal oblique (IO), and transverse abdominis (TrA) were measured using surface EMG during performance of the curl-up exercise. [Results] The EMG activity of the RA and EO was significantly higher on an unstable surface than on a stable surface during the curl-up exercise. The EMG activities of the TrA and IO were greater in combination with the abdominal hollowing exercise on an unstable surface than during the curl-up exercise on both a stable and unstable surface. [Conclusion] These findings suggest that the local trunk muscle activity during the curl-up exercise is more strongly affected by combination with the abdominal hollowing exer...Continue Reading

References

Apr 1, 1992·Acta Physiologica Scandinavica·A G CresswellA Thorstensson
Dec 1, 1996·Archives of Physical Medicine and Rehabilitation·M A SartiL A Villaplana
Jun 1, 1997·Medicine and Science in Sports and Exercise·C T Axler, S M McGill
Feb 3, 1999·Experimental Brain Research·P HodgesA Thorstensson

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Citations

Mar 10, 2016·Journal of Physical Therapy Science·Dong-Kyu LeeKi-Hoon Hong
Mar 12, 2016·Journal of Back and Musculoskeletal Rehabilitation·Ah Young LeeSang Ho Ahn
Aug 9, 2018·PloS One·Giedrė VaičienėSelen Razon

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