Question

question 1 of 20 : select the best answer for the question 1. which phase of a rep involves contracting and shortening the muscles youre training? a. isokinetic b. eccentric c. isometric d. concentric mark for review (will be highlighted on the review page)

Explanation:

In muscle - training, the concentric phase of a repetition involves the muscle contracting and shortening as it generates force to overcome resistance. Isokinetic refers to a type of muscle contraction with constant speed. Eccentric is when the muscle lengthens while under tension. Isometric is when the muscle contracts without changing length.

Answer:

D. Concentric