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muscle fatigue

inability of muscle fibers to contract after long period of contraction.

latent period

time between muscle fiber stimulation and measurement of force generation.

maximal force

motor neuron and all the muscle fibers it innervates.

contraction period

period of force generated

unfused tetanus

type of wave summation with partial relaxation observed between twitches.

motor unit recruitment

increasing the number of motor units that are stimulated to contract.

maximal stimulant

stimulus that results in maximal force generated.

threshold stimulus

lowest stimulus that results in force generated,

twitch contraction

single contractile event in response to single action potential.

contraction period

period during which more crossbridges detach then reattach to thin filaments.

fused tetanus

type of wave summation with no observable relaxation between twitches.

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