NESTA EXAM CH 2, top Questions with accurate answers, rated A+
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NESTA
NESTA EXAM CH 2, top Questions with accurate answers, rated A+
What is the kinetic chain? What is it's function? - -The kinetic chain is composed of the nervous system, muscular system and skeletal system. The kinetic chain is the chain of systems that link together to create human movement.
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NESTA EXAM CH 2, top Questions with
accurate answers, rated A+
What is the kinetic chain? What is it's function? - ✔✔-The kinetic chain is composed of the nervous
system, muscular system and skeletal system. The kinetic chain is the chain of systems that link together
to create human movement.
What is the difference between smooth, cardiac and skeletal muscle? - ✔✔-Smooth: involuntary actions
(autonomic nervous system), no striations. Digestive tract, bladder, uterus, blood vessel walls
Skeletal: voluntary movement (somatic nervous system), has striations. All muscles controlling
movement
Cardiac: an involuntary muscle but has some striations. Heart only.
What are the 3 layers of fascia and what is their significance? - ✔✔-Outer layer is the epimysium which
completely surrounds muscle.
Next layer is the perimysium and groups muscle fibers in bundles called fascicule.
Innermost layer is the endomysium which surrounds individual muscle fibers and is continuous with the
endomysium and perimysium.
Significance is the interweaving of connective tissue makes the muscle-bone connection extremely
strong.
What is the structure of the motor unit? - ✔✔-A motor neuron and all the muscle fibers it activates is
known as a motor unit. A motor unit is a single motor neuron and all of the muscle fibers that it
stimulates.
What is the sliding filament theory? - ✔✔-The sarcomere is composed of thin and thick filaments. These
elements will slide over each other, with the resulting action of all the sarcomeres shortening together,
causing the muscle to contract as a whole.
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