When a male gymnast performs a push-up exercise, which of the following muscle actions occurs at the erector spinae muscle group?
A . Concentric
B . Eccentric
C . Isometric
D . Myocentric
Answer: C
When a male gymnast performs a push-up exercise, which of the following muscle actions occurs at the erector spinae muscle group?
A . Concentric
B . Eccentric
C . Isometric
D . Myocentric
Answer: C