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Medical Terminology > Major Muscles & Functions > Flashcards

Major Muscles & Functions Flashcards

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USMLE® Step 1 flashcards
1
Q

where is the Frontalis

A

Forehead

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2
Q

What is the primary function of the Frontalis

A

Raises eyebrows; wrinkles forehead

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3
Q

where is the Trapezius

A

Upper Back & Neck

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4
Q

What is the primary function of the Trapezius

A

Extends neck; elevates, adducts, & rotates scapula.

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5
Q

Where is the Deltoid

A

External Shoulder

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6
Q

What is the primary function of the Deltoid

A

abducts, flexes, extends, & rotates arm

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7
Q

where is the Pectoralis Major

A

Chest

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8
Q

What is the primary function of the Pectoralis Major

A

flexes, adducts, & rotates arm

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9
Q

where is the Triceps Brachii

A

posterior upper arm

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10
Q

What is the primary function of the Triceps Brachii

A

extends forearm

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11
Q

Where is the Biceps Brachii

A

anterior upper arm

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12
Q

What is the primary function of the Biceps Brachii

A

Flexes arm & forearm; supinates (rotates) the arm

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13
Q

where is the Latissimus Dorsi

A

Midback & lower spine

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14
Q

What is the primary function of the Latissimus Dorsi

A

Extends, adducts, & rotates arm

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15
Q

where is the abdominal muscles

A

ribs to pubic bones

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16
Q

What is the primary function of the abdominal muscles

A

flex & rotates trunk

17
Q

where is the Gluteus Medius

A

Medial Muscle of the Buttocks; outer surface of pelvis

18
Q

What is the primary function of the Gluteus Medius

A

adducts & rotates thigh

19
Q

where is the Gluteus Maximus

A

outer muscle of the Buttocks

20
Q

What is the primary function of the Gluteus Maximus

A

extends & rotates thigh

21
Q

where is the sartorius

A

anterior thigh (crosses thigh obliquely)

22
Q

What is the primary function of the Sartorius

A

flexes & rotates thigh; flexes leg

23
Q

where is the biceps femoris

A

posterior thigh

24
Q

What is the primary function of the biceps femoris

A

extends thigh; flexes & rotates leg

25
Q

where is the Rectus Femoris

A

anterior thigh

26
Q

What is the primary function of the Rectus Femoris

A

flexes thigh; extends leg

27
Q

where is the Gastrocnemius

A

prominent muscle in posterior calf

28
Q

What is the primary function of the Gastrocnemius

A

flexes foot & leg

29
Q

where is the Tibialis Anterior

A

anterior lower leg

30
Q

What is the primary function of the Tibialis Anterior

A

Dorsiflexes & inverts foot

Medical Terminology (3 decks)

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