When the load on a skeletal muscle is less than the tension the muscle generates,a concentric contraction results.

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When the load on a skeletal muscle is less than the tension generated by the muscle, a concentric contraction occurs. This means that the muscle shortens as it contracts against the load. Conversely, if the load on the muscle is greater than the tension it generates, an eccentric contraction occurs, where the muscle lengthens as it contracts to control the load. If the load and tension are equal, an isometric contraction occurs, where the muscle neither shortens nor lengthens.

When the Load on a Skeletal Muscle Is Less Than