Isotonic contraction occurs when a muscle changes length while the tension remains constant, allowing for movement of a body part. This type of contraction is crucial for activities like lifting weights or performing everyday tasks, as it involves both concentric and eccentric phases where the muscle shortens and lengthens, respectively.

Isotonic Contraction

Isotonic contraction

muscle changes length

tension remains constant

movement of a body part

lifting weights

performing everyday tasks

Concentric phases

eccentric phases

muscle shortens

Muscle lengthens

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