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Functional Anatomy > Practical 1 Muscle Actions > Flashcards

Practical 1 Muscle Actions Flashcards

1
Q

Anterior deltoid

A

flex, abduct, & internally rotate arm

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2
Q

Middle deltoid

A

abduct arm

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3
Q

Posterior deltoid

A

extend, abduct, externally rotate arm

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4
Q

Upper Trapezius

A

elevate & upward rotate scapula, extend and laterally flex head & neck to same side

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5
Q

Middle Trapezius

A

retract scapula

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6
Q

Lower Trapezius

A

upward rotate, retract, and depress scapula

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7
Q

Rhomboids

A

elevate, retract, and downward rotate scapula

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8
Q

Levator scapulae

A

elevate scapula

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9
Q

Supraspinatus

A

abduct arm

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10
Q

Infraspinatus

A

externally rotate arm

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11
Q

Teres major

A

adduct, extend, and internally rotate arm

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12
Q

Teres minor

A

external rotate arm & apply depression force during abduction

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13
Q

Serratus anterior

A

protract and upward rotate scapula

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14
Q

Subscapularis

A

internally rotate, slightly abduct arm, apply depression force during abduction

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15
Q

Latissimus dorsi

A

adduct, extend, internally rotate arm, depress scapula, elevate thorax & pelvis

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16
Q

Pec minor

A

moves scapula anterior & rotates glenoid fossa superior

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17
Q

Pec major- sternal fibers

A

adduct, internally rotate, and extend humerus

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18
Q

Pec major- clavicular fibers

A

adduct, internally rotate, and flex humerus

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19
Q

Coracobrachialis

A

flex and adduct arm

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20
Q

Biceps brachii

A

flex forearm

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21
Q

Triceps

A

extend forearm and adduct humerus

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22
Q

Brachialis

A

flex forearm

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23
Q

Brachioradialis

A

flex and rotate forearm

24
Q

Pronator teres

A

pronate and flex forearm

25
Pronator quadratus
pronate forearm
26
Supinator
supinate forearm
27
Flexor carpi radialis
flex and abduct wrist, assist with elbow flexion
28
Palmaris longus
flex wrist
29
Flexor carpi ulnaris
adduct wrist
30
Extensor carpi ulnaris
extend and adduct wrist
31
Extensor carpi radialis longus
abduct wrist
32
Extensor carpi radialis brevis
extend and abduct wrist
33
Extensor digitorum
extend digits 2-5 at MCP, PIP, DIP
34
Extensor pollicis brevis
extend MCP & CMC of thumb
35
Extensor pollicis longus
extend IP thumb joint, assist with MCP & CMC joints
36
Flexor digitorum superficialis
flex PIP of digits 2-5, assist in flexion of MCP & wrist
37
Flexor digitorum profundus
flex DIP at digits 2-5, assist in flexion of PIP and MCP
38
Abductor pollicis longus
abduct and extend CMC of thumb, assist with abduction and flexion of wrist
39
Flexor pollicis longus
flex IP of thumb, assist with flexion of MCP
40
Adductor pollicis
adduct thumb
41
Abductor pollicis brevis
abduct CMC and MCP of thumb
42
Abductor digiti minimi
abduct & flex MCP of 5th digit
43
Dorsal interossei
abduct and flex MCP of digits 2-4, extend PIP & DIP of digits 2-4
44
Palmar interossei
adduct and flex MCP of digits 2, 4, & 5, extend PIP & DIP of digits 2, 4, & 5
45
Lumbricals
flex MCP of digits 2-5, extend PIP & DIP of digits 2-5
46
Opponens pollicis
opposition of CMC of thumb
47
SCM
bilateral flexion of head, unilateral lateral flexion and CL rotation of head
48
Scalenes anterior
bilateral flexion and unilateral lateral flexion of C/S
49
Scalenes medius
bilateral flexion and unilateral lateral flexion of C/S
50
Scalenes posterior
bilateral flexion of head, unilateral lateral flexion and CL rotation of head
51
Semispinalis capitus
bilateral extension and unilateral lateral flexion of head
52
Multifidus
bilateral extension and unilateral lateral flexion of L/S, T/S, C/S, CL rotation of L/S
53
Erector spinae
extend and laterally flex back, maintain correct posture
54
Quadratus lumborum
bilateral extension and unilateral lateral flexion of L/S, hip hiking
55
Rectus abdominus
bilateral flex of trunk, posterior pelvis tilt, & depress ribs, unilateral lateral flexion
56
Internal oblique
bilateral flex of trunk, posterior pelvis tilt & increase thoracolumbar tension, unilateral lateral flexion and IL rotation of trunk, depress ribs
57
External oblique
bilateral flex of trunk, posterior pelvis tilt, unilateral lateral flexion and CL rotation of trunk

Functional Anatomy (7 decks)

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