Table 2. Mean of the average muscle activity during push-up with various palmar widths.

Muscles	Mean ± SE (%RVC)
	50%	100%	150%
DA	89.3±5.6	100.0±7.1	97.5±6.3
PMI***	131.7±4.0#	100.0±3.1	84.3±2.5
PMA***	115.0±4.3†	100.0±3.4	92.3±2.9
SA***	71.2±2.6	100.0±4.4	119.2±4.9††
BB	105.5±6.9	100.0±6.9	121.6±9.1
TB**	116.5±7.0#	100.0±5.9	86.0±5.3
LD	92.4±5.6	100.0±6.0	103.5±7.1
IS***	162.7±10.3#	100.0±5.1	75.7±4.2

Values are Means ± SEs. 50%: narrow position; 100%: neutral position; 150%: wide position; DA: deltoideus p. Acromialis; PMI: pectoralis minor; PMA: pectoralis major; SA: serratus anterior; BB: biceps brachii; TB: triceps brachii; LD: latissimus dorsi; IS: infraspinatus. ***p<0.001; **p<0.01. ^#50%>100%>150%. ^†50%, 100%>150%. ^††50%<100%<150%