isometric

isometric /iso·met·ric/ (-met´rik) maintaining, or pertaining to, the same measure of length; of equal dimensions.

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i·so·met·ric (s-mtrk)

adj.

1. Of or exhibiting equality in dimensions or measurements.

2. Of, relating to, or being a crystal system of three equal axes lying at right angles to each other.

3. Of or involving muscular contraction against resistance in which the length of the muscle remains the same.

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isometric (īˈ·sō·meˑ·trik),

n muscle contraction that does not involve any change in the muscle length.

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isometric

maintaining, or pertaining to, the same length; of equal dimensions.

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isometric contraction

muscle contraction without appreciable shortening or change in distance between its origin and insertion.

isometric exercise

active exercise performed against stable resistance, without change in the length of the muscle.