COMPLETE QUESTIONS and VERIFIED ANSWERS
ALREADY GRADED A+|JUST RELEASED!!!
what is a motor unit? - SOLUTION-the nerve and all the muscle fibers that it connects with, or
innervates
what is the all or none principle? - SOLUTION-either the action potential is great enough to contract
all the muscle fibers or it is not strong enough to contract any
what is a fast twitch muscle? what type? - SOLUTION-muscle fibers that are capable
, of producing high intensity high velocity twitches. type II
what is a slow twitch muscle? what type? - SOLUTION-muscle fibers not capable of
high intensity contractions. type I
what is the function of a muscle spindle? - SOLUTION-they sense stretch and/or rate of length
change in a muscle and cause a contraction
what is a golgi tendon organ? - SOLUTION-respond to high levels of tension which will cause the
muscle to relax
Training heart rate formula? - SOLUTION-(220 - age) X % of max heart rate
active stretching - SOLUTION-uses only internal force
passive stretching - SOLUTION-uses an external force
static stretching - SOLUTION-not continually moving
dynamic stretching - SOLUTION-in constant motion
endurance - SOLUTION-sub-maximal force repeated over time
power - SOLUTION-work / time
strength - SOLUTION-maximal force produced in a specific environment