Summary: Muscles Now From School
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10.1 muscles now from school
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different degrees of skeletal muscle tension generated during contraction
graded responses -
graded responses can be produce these two ways
changing the frequency of muscle stimulation
changing the number of muscle cells being stimulated -
a single brief jerky contraction; not normal
muscle twitch -
the more frequent the stimulations, the __ and __ the contraction
smoother and stronger -
if there is some relaxation between stimuli, the contraction is __
unfused tetanus -
the muscle is as strong as it can get when __
all motor units are activated -
pathways to regenerate ATP
direct phosphorylation of ADP by creatine phosphate
aerobic pathways
anaerobic glycolysis and lactic acid formation -
CP transfers a __ to __ to regenerate ATP
a phosphate group to ADP -
__ supplies are exhausted in less than 15 secs
CP -
supplies ATP at rest and during light/ moderate exercise
Aerobic respiration
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