When doing a push-up on the floor, the motion at the elbow joint during the down phase is called ________ and the type of muscle action is called ________.

When doing a push-up on the floor, the motion at the elbow joint during the down phase is called ________ and the type of muscle action is called ________. 




A. extension, eccentric
B. flexion, eccentric
C. flexion, concentric
D. extension, concentric



Answer: B


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