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what is the difference between muscular contraction and extension

Sagot :

Answer:

i hope this helps

Explanation:

Isotonic contraction vs isometric contraction

Isotonic contractions generate force by changing the length of the muscle and can be concentric contractions or eccentric contractions. A concentric contraction causes muscles to shorten, thereby generating force. ... Isometric contractions generate force without changing the length of the muscle.