Question

a muscle that is lengthening while it produces tension is performing a(n) _________ contraction. isometric maximal eccentric concentric

Explanation:

• Isometric contraction: Muscle tension is generated without a change in muscle length.
• Maximal contraction: Refers to the highest force - generating capacity of a muscle, not related to muscle length change in the described way.
• Eccentric contraction: Muscle lengthens while producing tension. For example, when slowly lowering a weight, the bicep muscle (in a bicep curl) is in an eccentric contraction as it resists the force of the weight and lengthens.
• Concentric contraction: Muscle shortens while producing tension.

Answer:

C. eccentric