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Contraction produces __________, the force exerted on load or object to be moved.
muscle tension
A motor unit consists of the motor neuron and all __________ it supplies.
muscle fibers
The simplest contraction resulting from a muscle fiber's response to a single action potential is known as a __________.
muscle twitch
The __________ period is when no muscle tension is seen during excitation-contraction coupling.
latent
Graded muscle responses vary __________ of contraction for different demands.
strength
Wave (temporal) summation results if two stimuli are received by a muscle in __________ succession.
rapid
Unfused tetanus is when stimuli frequency increases, muscle tension reaches __________.
near maximum
Fused tetanus is referred to as __________ tetanus because contractions fuse into one smooth sustained contraction.
complete
Recruitment works on the __________ principle which recruits motor units from smallest to largest.
size
Constant, slightly contracted state of all muscles is known as __________.
muscle tone
Isotonic contractions result in muscle changes in __________ and moves load.
length
ATP supplies the energy needed for the muscle fiber to move and detach __________.
cross bridges
Creatine phosphate donates a phosphate to ADP to instantly form __________.
ATP
Aerobic respiration produces __________ during rest and light-to-moderate exercise.
ATP
Glycolysis breaks down glucose into __________ pyruvic acid molecules, generating ATP.
2
The physiological inability to contract despite continued stimulation is known as __________.
muscle fatigue
Excess postexercise oxygen consumption (EPOC) is required for the replenishing of oxygen reserves, removal of __________ acid, and resynthesis of ATP and creatine phosphate.
lactic
