Answered

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A muscle contraction that involves the shortening of the muscle at a constant tension is called:

A. Isotonic contraction
B. Isometric contraction
C. None of the above
D. Contraction coupling
E. Elastic contraction

Sagot :

GinnyAnsweridn

Final answer:

Isotonic contractions involve constant muscle tension despite muscle length changes. They include concentric and eccentric contractions.


Explanation:

An isotonic contraction occurs when muscle tension remains constant despite a change in muscle length. For example, lifting an object, walking, and running involve isotonic contractions with two types: concentric and eccentric.

In a concentric contraction, the muscle shortens while generating force, like the biceps contracting when lifting a weight. On the other hand, an eccentric contraction occurs as the muscle lengthens with diminishing tension, such as lowering a weight in a controlled manner.


Learn more about Muscle Contractions here:

https://brainly.com/question/33378824


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