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Phys Ther Sport. 2014 Aug;15(3):162-8. doi: 10.1016/j.ptsp.2013.09.003. Epub 2013 Sep 27.

Abdominal muscle EMG-activity during bridge exercises on stable and unstable surfaces.

Author information

1
Department of Physiotherapy, Józef Rusiecki University College in Olsztyn, 10-243 Olsztyn, Bydgoska 33, Poland. Electronic address: dariusz.czaprowski@interia.pl.
2
Department of Physiotherapy, Józef Rusiecki University College in Olsztyn, 10-243 Olsztyn, Bydgoska 33, Poland.
3
Department of Posture Correction, Faculty of Physical Education and Sport in Biala Podlaska, Józef Piłsudski University of Physical Education in Warsaw, Poland.
4
Physical Therapy and Exercise Center, Valencia, Spain; Institute for Research on Musculoskeletal Disorders, School of Medicine, Valencia Catholic University, Valencia, Spain.
5
Physical Therapy and Exercise Center, Valencia, Spain; Fizjo-Sport, Rzeszów, Poland.

Abstract

OBJECTIVES:

To assess abdominal muscles (AM) activity during prone, side, and supine bridge on stable and unstable surfaces (BOSU, Swiss Ball).

DESIGN:

Prospective comparison study.

SETTING:

Research laboratory.

PARTICIPANTS:

Thirty-three healthy volunteers from a university population.

MAIN OUTCOME MEASURES:

Surface electromyography of the rectus abdominis (RA), the external oblique (EO) and the internal oblique with the transversus abdominis (IO-TA).

RESULTS:

The AM exhibited the highest activity during prone bridge on a Swiss Ball (RA, EO, IO-TA 44.7 ± 19.2, 54.7 ± 22.9, 36.8 ± 18.6 in % of MVC, respectively). The lowest activity was observed during supine bridge on a stable surface and a BOSU (under 5.0). The lowest ratio analyzed on the basis of the relation of EO and IO-TA activity to RA was obtained during prone bridge on the Swiss Ball (1.4 ± 0.7 for EO, 0.9 ± 0.5 for IO-TA). The highest ratio was obtained during prone bridge on stable surface and supine bridges.

CONCLUSIONS:

The highest level of activity in the abdominal muscles is achieved during prone bridge on a Swiss Ball. However, this exercise provided the lowest activity of the EO and IO-TA in relation to RA. It is essential to conduct further studies verifying the usefulness of using Swiss Ball during core stability training.

KEYWORDS:

BOSU; Core stability; Electromyography; Sport training; Swiss Ball

PMID:
24268641
DOI:
10.1016/j.ptsp.2013.09.003
[Indexed for MEDLINE]

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