Question

In skeletal muscle isotonic contraction means
a)Muscle does not shorten during contraction
b)Muscle shortens but tension remains constant throughout
c)Muscle is destroyed during contraction
d)Muscle shortens but tension does not remain constant throughout​

Answer 1

Answer:

Types of Muscle Contraction: An isotonic concentric contraction results in the muscle shortening, an isotonic eccentric contraction results in the muscle lengthening. During an isometric contraction the muscle is under tension but neither shortens nor lengthens.

Answer 2

Answer:

(b) Muscles shortens but tension remains constant throughout.

Explanation:

In an isotonic contraction, tension remains the same, whilst the muscle's length changes. Isotonic contractions differ from isokinetic contractions in that in isokinetic contractions the muscle speed remains constant.

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