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. 2013 Dec;4(4):289-94.
doi: 10.5812/asjsm.34250. Epub 2013 Nov 15.

Evaluation of Relationship between Trunk Muscle Endurance and Static Balance in Male Students

Amirhossein Barati  1 , Afsaneh Safarcherati  2 , Azar Aghayari  3 , Faeze Azizi  4 , Hamed Abbasi  4
Affiliations

Evaluation of Relationship between Trunk Muscle Endurance and Static Balance in Male Students

Amirhossein Barati et al. Asian J Sports Med. 2013 Dec.

Abstract

Purpose: Fatigue of trunk muscle contributes to spinal instability over strenuous and prolonged physical tasks and therefore may lead to injury, however from a performance perspective, relation between endurance efficient core muscles and optimal balance control has not been well-known. The purpose of this study was to examine the relationship of trunk muscle endurance and static balance.

Methods: Fifty male students inhabitant of Tehran university dormitory (age 23.9±2.4, height 173.0±4.5 weight 70.7±6.3) took part in the study. Trunk muscle endurance was assessed using Sørensen test of trunk extensor endurance, trunk flexor endurance test, side bridge endurance test and static balance was measured using single-limb stance test. A multiple linear regression analysis was applied to test if the trunk muscle endurance measures significantly predicted the static balance.

Results: There were positive correlations between static balance level and trunk flexor, extensor and lateral endurance measures (Pearson correlation test, r=0.80 and P<0.001; r=0.71 and P<0.001; r=0.84 and P<0.001, respectively). According to multiple regression analysis for variables predicting static balance, the linear combination of trunk muscle endurance measures was significantly related to the static balance (F (3,46) = 66.60, P<0.001). Endurance of trunk flexor, extensor and lateral muscles were significantly associated with the static balance level. The regression model which included these factors had the sample multiple correlation coefficient of 0.902, indicating that approximately 81% of the variance of the static balance is explained by the model.

Conclusion: There is a significant relationship between trunk muscle endurance and static balance.

Keywords: Side Bridge Endurance Test; Single-Limb Stance Test; Sorensen Test; Static Balance; Trunk Flexor Endurance Test; Trunk Muscle Endurance.

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Figures

Fig. 1
Fig. 1
Single leg stance test
Fig. 2
Fig. 2
Sorensen test
Fig. 3
Fig. 3
Trunk flexor endurance test
Fig. 4
Fig. 4
Side Bridge Exercise Test
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