NSCA CSCS Test Questions with All Correct Answers
muscle fibers - Answer-also called muscle cells. Long cylindrical cells 50 to 100 µm in diameter
fasiculi - Answer-the grouping of muscle fibers into bundles
perimyseum - Answer-connective tissue surrounding the bundles
endomysium - Answ...
muscle fibers - Answer-also called muscle cells. Long cylindrical cells 50 to 100 µm in
diameter
fasiculi - Answer-the grouping of muscle fibers into bundles
perimyseum - Answer-connective tissue surrounding the bundles
endomysium - Answer-connective tissue surrounding the muscle fiber
how many neuromuscular junction's does each muscle cell have? - Answer-One
sarcoplasm - Answer-The cytoplasm of a muscle fiber. Contains contract all
components protein filaments proteins and specialized organelles
myofibrils - Answer-contain two types of myofilaments; myosin and actin
myosin - Answer-thick filaments
actin - Answer-thin filaments consisting of two strands arranged in a double helix
Sarco mere - Answer-The smallest contractile unit of skeletal muscle
A band - Answer-corresponds with the alignment of myosin filaments appears dark
Iband - Answer-corresponds with the areas into adjacent circle mirrors containing only
actin filaments appears light
Z line - Answer-appears in the middle of the Iband is thin dark line
H zone - Answer-center of sarcomere where only myosin filaments are present
what zones decrease during muscle contraction? - Answer-The H zone as actin slides
over the myosin and the Iband as the Z lines are pulled toward the center of the
sarcomere
Motor unit - Answer-The basic functional unit of the human neuro muscular system
epimysium - Answer-fibrous connective tissue
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