ISSA Unit 4 Test Bank Solution Manual Already Passed
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ISSA Unit 4
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ISSA Unit 4
ISSA Unit 4 Test Bank Solution Manual Already Passed
Kinesiology - Answers Study of human movement dealing with muscles and muscles functions.
list 3 types of muscular contractions - Answers •concentric
muscles shorten to produce movement
•eccentric
muscles lengthens(stretches) as it...
•the more the muscle lengthens or the faster it stretches the greater the tension that is develop
•important role for controlling and stopping movement
•50 percent greater tension than concentric
•muscular force is the opposite direction of the movement
isometric contraction - Answers •the muscle develops tension and some shortening of the muscle fibers
and tension occurs but limbs and body do not move
•20 per cent greater strength than concentric
•applied muscular force meets an equal resistance the result is no movement .
explain the relationship between kinesiology and biomechanics - Answers •kinesiology explored the
muscular involvement in strength exercise and sport-specific techniques, while biomechanics look at the
physical factors involved in the movement
Define prime mover - Answers •aka agonist
, •the main muscle involved in a concentric contraction (muscles shorten)
•i.e biceps during bicep curls
assistant mover - Answers •usually plays a secondary role to the prime mover muscles involed.
•i.e the pronator teres is a prime mover in pronation and an assistant in elbow flexion
antagonist - Answers something opposing or resisting the action of another
•ungoes the eccentric contraction
explain the relationship between agonist and antagonist - Answers •antagonist muscle has an action
directly opposite that of the agonist
•i.e the tricep is antagonist to the biceps.
Stabilizer muscles - Answers •is a muscle that holds a body part in place
i.e knee extension , over head press
explain synergy as it relates to muscles - Answers •helping synergy:
when two muscles contract simultanelously to produce one movement while their other actions cancel
each other out
i.e set-ups , external obliques during a crunch
•true synergy:
a different muscle contracts to stop the secondary action of another
i.e biceps brachii
list the four types of muscular movement - Answers •ballistic
•guided
•dynamic balance
•sustained
ballistic - Answers •movement in which inertial movement exists after an explosive or quick maximum
force contraction
guided - Answers •movement that occurs when both the agonist and the antagonist contract to control
the movement
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