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Table 4 EMG activity in terms of %MVIC with mean (SD) of internal oblique muscle over the contralateral side (CIO) and ipsilateral side (IIO) of the exercising hip

From: The effects of therapeutic hip exercise with abdominal core activation on recruitment of the hip muscles

Exercise Phase CIO IIO
NCA ECA P-value NCA ECA P-value
Clam Concentric 2.45 (0.51) 47.08 (4.98) <0.001b 4.58 (0.81) 40.75 (3.92) <0.001b
Isometric 2.49 (0.50) 40.05 (4.18) <0.001b 6.95 (1.18) 42.88 (4.40) <0.001b
Eccentric 2.26 (0.49) 37.82 (3.14) <0.001b 3.61 (0.60) 38.81 (3.26) <0.001b
HABD Concentric 3.05 (0.59) 43.03 (3.67) <0.001b 11.12 (1.08) 73.99 (6.56) <0.001a, b
Isometric 2.48 (0.33) 41.71 (3.35) <0.001b 11.32 (0.94) 65.68 (6.48) <0.001a, b
Eccentric 2.69 (0.52) 37.09 (2.95) <0.001b 7.96 (0.94) 54.87 (4.40) <0.001a, b
PHE Concentric 6.14 (0.91) 60.94 (6.22) <0.001a, b 4.14 (0.73) 58.34 (6.58) <0.001b
Isometric 7.98 (1.12) 63.12 (7.37) <0.001b 5.51 (0.86) 46.33 (3.74) <0.001b
Eccentric 5.84 (0.99) 40.60 (3.62) <0.001b 3.60 (0.64) 36.81 (2.74) <0.001b
  1. ECA Enhanced core activation, HABD Hip abduction, NCA Natural core activation, PHE Prone hip extension
  2. apaired t-test otherwise Wilcoxon Signed rank test, bindicates significance