Week 8 Muscle O's, I's, A's Flashcards

0
Q

Trapezius insertion

A

Scapula and clavicle

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1
Q

Trapezius origin

A

Occipital bone and vertebrae

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2
Q

Trapezius action

A

Stabilizes and raises scapula

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3
Q

Sternocleidomastoid origin

A

Sternum and clavicle

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4
Q

Sternocleidomastoid insertion

A

Mastoid process of temporal bone

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5
Q

Sternocleidomastoid action

A

Flexes and rotates head

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6
Q

Deltoid origin

A

Clavicle and scapula

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7
Q

Deltoid insertion

A

Humerus

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8
Q

Deltoid action

A

Adducts arm

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9
Q

Latissimus dorsi origin

A

Vertebrae, ribs, and ilium

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10
Q

Latissimus dorsi insertion

A

Humerus

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11
Q

Latissimus dorsi action

A

Extends and adducts arm

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12
Q

Biceps brachii origin

A

Scapula

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13
Q

Biceps brachii insertion

A

Radius

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14
Q

Biceps brachii action

A

Flexes forearm; supinates hand

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15
Q

Pronator teres origin

A

Humerus and ulna

16
Q

Pronator teres insertion

A

Radius

17
Q

Pronator teres action

A

Pronates hand

18
Q

Rectus abdominis origin

A

Pubis

19
Q

Rectus abdominis insertion

A

Sternum and costal cartilages

20
Q

Rectus abdominis action

A

Flexes torso

21
Q

Gluteus maximus origin

A

Ilium, sacrum, and coccyx

22
Q

Gluteus maximus insertion

A

Femur and iliotibial tract

23
Q

Gluteus maximus action

A

Extends thigh

24
Q

Rectus femoris origin

A

Ilium

25
Q

Rectus femoris insertion

A

Tibia

26
Q

Rectus femoris action

A

Extends lower leg; flexes thigh

27
Q

Gastrocnemius origin

A

Femur

28
Q

Gastrocnemius insertion

A

Calcaneus

29
Q

Gastrocnemius action

A

Plantar flexes foot

30
Q

Closest point, doesn’t move as much

A

Origin

31
Q

More movable point; farther away

A

Insertion