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Muscles P.E


Define agonist. the muscle primarily responsible for producing movement.
Define antogonist. the muscle that relaxes as the agonist contracts to allow ease of movement and minimise the rick of injury.
Define stabilisers. muscles that act to stabilise the bone where the prime mover is acting to allow efficiency of movement and maximal contractile force to be developed if required.
Define reciprocal inhibition. when muscles on one side of a bone or joint relax to accomodate contraction on the side of the bone or joint.
Define all or nothing principle. the strength by which a nerve or muscle fiber responds to a stimulus is not dependent on the strength of the stimulus. If the stimulus is any strength above threshold, the nerve or muscle fiber will give a complete response or otherwise no response at all
Define capillary density small blood vessels that supply your muscles with blood.
Define phosphocreatine stores. a fundamental substance the body uses to produce muscular energy.
Define triglyceride stores the main storage form of fat in the body.
Define fatigue resistance when the body tires after exhausting exercise.
Created by: mugtho108