distinguish between isometric and isotonic contraction; and
distinguish between isometric and isotonic contraction; and
Muscle contraction can be defined as the shortening of the muscle fiber which occurs when the muscle proteins slide past each other. These contractions help in the movement of the body parts.
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Isometric contraction |
Isotonic contraction |
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Isometric contraction is a type of muscle contraction in which the muscle length does not change but the tension in the muscle increases. |
Isotonic contraction is a type of muscle contraction in which the muscle length increases or decreases but the tension remain constant. |
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In isometric contraction, no work is done by the muscle. |
Isotonic contraction the external work is done by the muscle. |
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This type of contraction occurs for a short duration of time. |
This type of contraction occurs for a long duration of time. |
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