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Table 5 Comparisons of EMG activity in terms of %MVIC with mean (SD) of the hip and thigh muscles between two core pre-activation conditions

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

Exercise Phase GMed UGMax LGMax BF
NCA ECA P-value NCA ECA P-value NCA ECA P- value NCA ECA P-value
Clam Concentric 12.27 (6.79) 14.89 (5.93) 0.026a, b 35.37 (19.68) 33.01 (25.50) 0.405 4.90 (3.42) 5.81 (4.33) 0.071 1.75 (1.33) 2.41 (2.00) 0.008b
Isometric 15.63 (10.53) 18.39 (10.66) 0.002b 50.41 (37.42) 51.07 (35.56) 0.796 5.28 (3.60) 5.71 (4.16) 0.219 2.12 (1.42) 3.44 (3.18) 0.033b
Eccentric 7.27 (4.48) 10.48 (5.92) 0.007b 20.50 (15.52) 24.12 (18.38) 0.088 3.04 (2.03) 3.94 (1.93) 0.003b 1.87 (1.24) 4.64 (3.83) 0.001b
HABD Concentric 27.52 (9.1)2 31.38 (12.02) 0.057a 29.06 (23.31) 30.20 (22.30) 0.728 3.75 (2.38) 4.80 (3.85) 0.058 1.08 (0.72) 1.86 (1.20) 0.005b
Isometric 28.89 (7.92) 31.20 (10.10) 0.096 39.63 (28.29) 42.91 (27.47) 0.466 4.19 (2.67) 4.88 (3.24) 0.058 0.98 (0.55) 1.70 (1.05) 0.003b
Eccentric 14.89 (5.02) 19.33 (5.94) 0.004a, b 17.97 (14.69) 19.56 (10.51) 0.353 2.79 (1.76) 3.63 (2.11) 0.004b 1.03 (0.68) 1.88 (0.86) <0.001b
PHE Concentric 15.81 (10.28) 20.24 (10.57) 0.002b 14.82 (5.47) 19.74 (9.12) 0.002a, b 20.09 (8.00) 25.62 (16.68) 0.071 12.26 (5.66) 17.23 (12.28) 0.019b
Isometric 22.15 (14.90) 30.28 (15.84) <0.001b 22.87 (9.21) 30.98 (16.51) 0.004b 26.62 (10.82) 36.01 (22.27) 0.013b 15.27 (7.91) 20.30 (12.21) 0.008b
Eccentric 10.97 (6.32) 12.92 (4.40) 0.121 12.32 (4.43) 16.62 (4.46) <0.001a, b 11.73 (4.27) 14.56 (7.12) 0.021b 9.47 (4.50) 12.25 (8.20) 0.074
  1. BF Biceps femoris, ECA Enhanced core activation, HABD Hip abduction, GMed Gluteus medius, LGMax Lower part of gluteus maximus, NCA Natural core activation, PHE Prone hip extension, UGMax Upper part of gluteus maximus. aindicates paired t-test otherwise Wilcoxon Signed rank test was used and bindicates significant difference between two core conditions