The flashcards below were created by user
andreathors16
on FreezingBlue Flashcards.
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the name of the main musscle that flexes the lower arm is the
biceps brachii
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the name of the main musscle that extends the neck is the
trapezius
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the motor nerver and all of the skeletal muscle fibers it innervates is called
motor unit
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a place where a muscle attaches to an immovable part of the sleleton is called the
origin
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two muscles whose contraction brings about the same type of movement in the same bones are called
synergists
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the partial or slight contraction of a muscle is called
tone
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the movement that decreases the angle at the joint is called
flexion
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the movement of a leg towards the midline of the body is called
adduction
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excitability
capcity to respond to a stimulus
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contractility
muscles can shorten
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extensibility
can stretch when force is applied
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kinds of muscle tissue
- skeletal- voluntary, many nuclei, they shorten muscle fibers
- smooth-involuntary, single nucleus, lines blood vessels and organs.
- cardiac-found in the heart, simple nucleus
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origin
fixed attachments, seen in face
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tendon
connective tissue, conect muscle to bone
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ligaments
attaches musscle to musscle
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