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CSCS Chapter 1 Question and answers 100% correct

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CSCS Chapter 1 Question and answers 100% correct Epimysium - correct answer A layer of connective that sheaths (covers) the entire muscle, continuous with the tendons at the end of the muscle. Tendon - correct answer Attached to the bone periosteum; any contraction of the muscle pulls on...

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  • November 28, 2024
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  • 2024/2025
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CSCS Chapter 1 Question and answers
100% correct
Epimysium - correct answer ✔A layer of connective that sheaths (covers) the
entire muscle, continuous with the tendons at the end of the muscle.


Tendon - correct answer ✔Attached to the bone periosteum; any contraction
of the muscle pulls on the tendon and, in turn, the bone. The epimysium,
perimysium, and endomysium run continuous to the tendon, so tension in a
muscle is transmitted to the tendon.


Bone periosteum - correct answer ✔Special connective tissue covering all
bones (outer surface.)


proximal - correct answer ✔Limb muscle attachment closer to the trunk.


Distal - correct answer ✔Limb muscle attachment further away from the
trunk.


Superior - correct answer ✔Limb Muscle closer to the head.


Inferior - correct answer ✔Limb muscle closer to the feet.


Origin - correct answer ✔Origin of a muscle is defined at its proximal (toward
the center of the body) attachment.


Insertion - correct answer ✔Distal (away from the center) attachment.

, Muscle Fibers - correct answer ✔Muscle cells; long (sometimes running the
length of the muscle,) cylindrical cells. These fibers have many nuclei situated
on the periphery of the cell and have a striated appearance under low
magnification.


Fasciculi - correct answer ✔Group of fibers below the epimysium that consist
of up to 150 of them.


Perimysium - correct answer ✔Connective tissue that groups muscle fibers
into bundles (fasciculi.)


Endomysium - correct answer ✔Connective tissue that surrounds the muscle
fibers, and is continuous with the fibers membrane, or sarcolemma.


Sarcolemma - correct answer ✔Membrane of the fiber.


Motor neuron - correct answer ✔Nerve cell. Motor neuron and the muscle
fibers it innervates are called a motor unit (typically several hundred.)


Neuromuscular junction - correct answer ✔Junction between a motor neuron
and the muscle it innervates (also called the motor end plate.) Each muscle
cell has only one neuromuscular junction, although a single motor neuron
innervates many muscle fibers, sometimes as many as several hundred.


Sarcoplasm - correct answer ✔The cytoplasm of muscle fiber; contains
contractile components, which consist of protein filaments, other proteins,
stored glycogen and fat particles, enzymes, and specialized organelles such
as mitochondria and the sarcoplasmic reticulum.

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