Question

multiple choice question
what type of contraction is observed when a muscle shortens?
o isometric
o fast - twitch
o isotonic
o slow - twitch
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Explanation:

Isotonic contractions involve muscle shortening while generating force. Isometric contractions occur without muscle length change. Fast - twitch and slow - twitch refer to muscle fiber types, not contraction types related to shortening.

Answer:

C. Isotonic