Flashcards in Muscle Actions Deck (57)
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1
Extensor Carpi Radialis Brevis
Extends wrist, radially deviates wrist (abduction)
2
Extensor Carpi Ulnaris
Extends wrist, ulnar deviates wrist (adduction)
3
Flexor Carpi Ulnaris
Flexes wrist, ulnar deviates wrist (adduction)
4
Flexor Carpi Radialis
Flexes wrist, radially deviates wrist (abduction)
5
Extensor Digitorum
Extends digits of hand and wrist
6
Flexor Digitorum
Flexes digits of hand and wrist
7
Brachialis
Flexes elbow (as in raising forearm)
8
Pronator Teres
Pronates forearm at elbow (as in twisting forearm toward body)
9
Biceps Brachii
Flexes elbow, supinates forearm
10
Triceps Brachii
Extends forearm at elbow (long head also stabilizes shoulder)
11
Subscapularis
Medially rotates humerus at shoulder and stabilizes shoulder
12
Supraspinatus
Abducts arm at shoulder and stabilizes shoulder
13
Infraspinatus
Laterally rotates humerus at shoulder and stabilizes shoulder
14
Teres Minor
Adducts and laterally rotates humerus at shoulder and stabilizes shoulder
15
Deltoid (Anterior)
Flexion and medial rotation of humerus at shoulder
16
Deltoid (Middle)
Abducts humerus at shoulder (as in upward flap)
17
Deltoid (Posterior)
Extension and lateral rotation of humerus
18
Pectoralis Major
Flexion, adduction, medial rotation of humerus at shoulder (as in bench press)
19
Latissimus Dorsi
Extension, adduction, medial rotation of humerus at shoulder
20
Levator Scapula
Elevates, adducts (retracts) scapula (as in bring shoulder to ear)
21
Rhomboideus Major
Adducts (retracts) scapula (as in pulling shoulders back and up)
22
Serratus Anterior
Abducts scapula (to raise arm and pull shoulder forward, as in punching)
23
Trapezius (Upper)
Elevates scapula (as in shrugging)
24
Trapezius (Middle)
Retracts and elevates scapula (as in pulling shoulders back and up)
25
Trapezius (Lower)
Retracts and depresses scapula (as in pulling shoulders back and down)
26
Zygomatic Major
Draws angle mouth up (as in a smile)
27
Frontalis
Raise eyebrow, wrinkle forehead
28
Orbicularis Oris
Squeezes closed and protrudes lips (as in kissing)
29
Buccinator
Compresses cheek (as in sucking)
30
