Contraction may refer to: Contraction (childbirth), a contraction during childbirth (basically referring to muscle contraction) Contraction (grammar), a word formed from two or ...
A muscle contraction (also known as a muscle twitch or simply twitch) occurs when a muscle fiber generates tension through the action of actin and myosin cross-bridge cycling.
contraction (plural contractions) A reversible reduction in size. (economics) A period of economic decline or negative growth. The country's economic contraction was caused by high ...
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