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failure of any muscle to contract with its normal force, especially such failure of any of the eye muscles.
A condition in which a muscle is unable to exert its normal force and bring about normal movement of the part to which it is attached.
See also: insufficiency
mus·cu·lar in·suf·fi·cien·cy(mŭskyū-lăr insŭ-fishĕn-sē)
Failure of any muscle to contract with its normal force.