. 2016 Jun 28;28(6):1849–1851. doi: 10.1589/jpts.28.1849

Table 1. Activity of the abdominal muscles according to the knee joint angle.

% MVIC	RA	EO	IO & TrA
60°*	3.83 ± 0.50^a	4.37 ± 0.48^a	8.87 ± 0.70^b
90°*	4.61 ± 0.54^a	5.48 ± 0.60^a	10.05 ± 0.79^b
120°*	6.59 ± 0.75^a	7.71 ± 0.82^a	12.76 ± 1.06^b

Units are expressed as percentages. *Statistically significant (p<0.05) The different superscripts indicate significant differences. MVIC: maximum voluntary isometric contraction, RA: rectus abdominis, EO: external oblique, IO: interior oblique, TrA: transverse abdominis