Muscular System Flashcards by Kate McNamara

Q

2 functions of the body that smooth muscles control

A

digestion
bowel movement

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Q

muscle that rotates the trunk

A

lattisimus dorsi

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Q

muscle that rotates the foot

A

sartorius

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Q

muscles that line the walls of internal organs

A

smooth

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Q

stationary muscle site

A

origin

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Q

muscle that flexes the lower leg

A

hamstring

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Q

total number of muscles in the body

A

600

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Q

synergist to the trapezius

A

pectoralis major

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Q

muscle that extends the humerus

A

lattissimus dorsi

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Q

muscles that work opposite the prime movers

A

antagonist

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Q

common characteristic of every muscle in the body

A

contraction

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Q

occurs due to limited contractions of muscle fibers

A

muscle tone

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Q

another name for the sternocleidomastiod

A

prayer muscle

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Q

muscle that extends the lower leg

A

quadricep femoris

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Q

muscle that extends the lower arm

A

triceps brachii

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Q

occurs due to strong muscle contractions

A

cramp

Q

occurs when muscles cannot contract or are not being used

A

atrophy

Q

muscle that assists in arm flexion and extension

A

biceps brachii

Q

muscles that can be controlled

A

voluntary

Q

muscles considered prime movers

A

agonist

Q

synergist in plantar flexion

A

soleus

Q

muscles that allow us to move

A

skeletal

Q

occurs due to an overuse of a tendon

A

tendinitis

Q

occurs due to a rip in muscle fiber

A

muscle tear

agonist in plantar flexion

gastrocnemius

muscle that abducts the hip

gluteus minimus

movable muscle attachment site

insertion

muscles that cannot be controlled

involuntary

occurs when muscles are overstretched

strain

muscles that keep the origin stationary

fixators

muscle that flexes the vertebral column

rectus abdominus

muscle that extends the hip

gluteus maximus

muscle that elevates and depresses the scapula

trapezius

agonist in arm flexion and extension

pectoralis major

muscles that assist the prime movers

synergist

longest muscle in the body

sartorius

muscle that turns head to the side

sternocleidomastoid