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medical terminology > Skeletal Muscles > Flashcards

Skeletal Muscles Flashcards

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USMLE® Step 1 flashcards
0
Q

vastus medialis

A

Extends leg at the knee; part of the quadriceps group

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1
Q

temporalis

A

Elevates mandible

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2
Q

gracilis

A

adducts femur/thigh

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3
Q

rectus femoris

A

Extends leg at the knee and flexes thigh at the hip; part of the quadriceps group

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4
Q

masseter

A

Elevates mandible

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5
Q

sternocleidomastoid

A

flexes neck; rotates head

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6
Q

rectus abdominis

A

Compresses abdominal cavity and flexes vertebral column

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7
Q

tibialis anterior

A

dorsiflexion

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8
Q

peroneus longus

A

Muscle that covers the outer side of the calf; inverts the foot and turns it outward.

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9
Q

sartorius

A

Flexes, abducts, and laterally rotates thigh at the hip; flexes knee

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10
Q

biceps brachii

A

Flexes and supinates forearm

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11
Q

adductor muscles

A

adduct thigh

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12
Q

orbicularis oris

A

closes and protrudes lips

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13
Q

external oblique

A

Compresses abdomen; laterally flexes and rotates vertebral column

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14
Q

transverse abdominis

A

compresses abdomen

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15
Q

zygomaticus

A

smiling muscle

16
Q

frontalis

A

Draws back scalp, wrinkles forehead, raises eyebrows

17
Q

tensor fascia lata

A

Muscle located on the lateral portion of the thigh; it has a large amount of fascia and is also known as the IT band; it abducts the thigh

18
Q

deltoid

A

Abducts arm

19
Q

vastus lateralis

A

Extends leg at the knee; part of the quadriceps group

20
Q

pectoralis major

A

Adducts and medially rotates the arm; flexes and extends humerus

21
Q

serratus anterior

A

Pulls scapula anteriorly and downward

22
Q

soleus

A

Plantar flexion of ankle

23
Q

occipitalis

A

pulls scalp posteriorly

24
Q

trapezius

A

Muscle that allows you to shrug your shoulders or extend your head

25
Q

gluteus medius

A

hip abduction

26
Q

gluteus maximus

A

heaviest muscle in body, extends/straightens leg at hip during walking

27
Q

biceps femoris

A

Flexes leg at the knee and extends thigh at the hip; belongs to the hamstring group

28
Q

triceps brachii

A

extends arm at elbow

29
Q

semimembranosus

A

Flexes leg at the knee and extends thigh at the hip; belongs to the hamstring group

30
Q

gastrocnemeus

A

Flexes knee; plantar flexes the foot

31
Q

semitendinosus

A

Flexes leg at the knee and extends thigh at the hip; belongs to the hamstring group

32
Q

latissimus dorsi

A

Back muscle that causes shoulder extension, adduction, horizontal abduction and horizontal abduction

medical terminology (13 decks)

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