Question

Question 2 of 20:

Select the best answer for the question.
2. Which phase of a rep involves contracting and shortening the muscles you're training?
A. Isometric
O B. Eccentric
C. Isokinetic
O D. Concentric
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Answer 1

D. Concentric

The phase of a repetition (rep) that involves contracting and shortening the muscles you're training is the "concentric" phase. This phase typically involves lifting or moving a weight against gravity or resistance, and it results in muscle shortening as the force is generated to overcome the resistance.

Step-by-step explanation: