sodium and potassium levels
The continuous partial contraction of muscle is called muscle tone
Anerobic contraction of muscles.
The general opposite of contraction is expansion, or possibly inflation. For muscles, the opposite of contraction is relaxation.
A hereditary disease of the muscles characterized by prolonged contraction of the muscles whenever voluntary motion is attempted, contraction and relaxation being slow and the muscles stiff.
An involuntary muscle contraction is called a spasm.
prolonged contraction of the muscles
extension, contraction
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Muscles are tissues composed of fibers, the contraction of which produces movement in the body.
sometimes working with a contraction can be difficult
Muscles turn chemical energy into heat and work during contraction. Straight from the science book.
Muscles cause contraction. Contraction aides in moving the food along.