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OCS Anatomy > Moore action > Flashcards

Moore action Flashcards

1
Q

Trapezius action

A

Descending head elevates scapula, ascending part depresses the scapula, middle part (or all 3) retract scapula, descending and ascending rotate glenoid cavity superiorly

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2
Q

Levator scapulae action

A

Medially elevates scapula and flexes cervical spine

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3
Q

Rhomboid minor action

A

Retracts, depresses, stabilizes and internally rotates scapula

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4
Q

Rhomboid major action

A

Retracts, depresses, stabilizes, and internally rotates the scapula

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5
Q

Latissimus dorsi action

A

Extension, internal rotation, and adduction of humerus

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6
Q

Serratus anterior action

A

Pulls the scapula against thoracic cage

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7
Q

Teres major action

A

Internal rotation, adduction, and extension of the arm

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8
Q

Subscapularis action

A

Internal rotation and holds humeral head in glenoid cavity SITS muscle

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9
Q

Supraspinatus action

A

Initiates abduction (first 15⁰) SITS muscle

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10
Q

Infraspinatus action

A

External rotation of humerus SITS muscle

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11
Q

Teres minor action

A

External rotation of humerus, SITS muscle

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12
Q

Pectoralis major action

A

Adduction, internal rotation of humerus, pulls scapula forward. Clavicular head alone flexes humerus, sternal head alone extended from flexed

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13
Q

Pectoralis minor action

A

Pulls scapula inferior and anterior to ribs cage

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14
Q

Subclavius action

A

Depresses and stabilizes clavicle

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15
Q

Coracobrachialis action

A

Aids in adduction and flexion, prevents dislocation of humerus from glenoid

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16
Q

Biceps brachii action

A

Flexes forearm when supinated, supinator of forearm, short head also resist dislocation of humerus

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17
Q

Brachialis action

A

Flexes forearm in all positions

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18
Q

Triceps brachii action

A

Main extensor of forearm, medial head is workhorse, long head also resists dislocation of humerus

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19
Q

Anconeus action

A

Aids in forearm extension and stabilizes elbow

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20
Q

Deltoid action

A

Clavicular head: flexes and internally rotates humerus, acromion head: abducts humerus; spinal head: extends and externally rotates humerus

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21
Q

Pronator teres action

A

Weak pronator and flexor of forearm

22
Q

Flexor carpi radialis action

A

Flexes and abducts hand at wrist

23
Q

Palmaris longus action

A

Flexes hand at wrist Absent in 10-15% of people with no clinical deficits

24
Q

Flexor carpi ulnaris action

A

Flexes and adducts hand at wrist

25
Flexor digitorum superficialis action
Flexes digits at proximal interphalangeal joint and more strongly at metacarpalphalangeal joint
26
Flexor digitorum profundus action
Flex digits at the distal interphalangeal joints
27
Flexor pollicus longus action
Flexes thumb at interphalangeal join, MCP, carpometacarpal joint
28
Pronator quadratus action
Pronates the forearm, deep fibers hold ulna and radius together
29
Brachioradialis action
Flexes the forearm at the elbow
30
Extensor carpi radialis longus action
Extends and abducts the hand at wrist, active during fist clenching
31
Extensor carpi radialis brevis action
Flexes and abducts hand at wrist
32
Extensor digitorum action
Extends the digits at PIP, mostly at MCP
33
Extensor digiti minimi action
Extends digit V at PIP, mostly at MCP
34
Extensor carpi ulnaris action
Extends and adducts the hand at the wrist, active during fist clenching
35
Supinator action
Supinates the forearm
36
Extensor indicis action
Independent extension of digit II and helps in hand extension at wrist
37
Abductor pollicis longus action
Abducts thumb and extends at MCP
38
Extensor pollicis brevis action
Extends thumb at MCP, CMC
39
Extensor pollicis longus action
Extends thumb at IP, MCP, CMC joint
40
Flexor pollicis brevis action
Superficial head: Flexes thumb at MCP; Deep head: aids in adduction the thumb
41
Opponens pollicis action
Bring the thumb into opposition
42
Abductor pollicis brevis action
Abducts the thumb, helps oppose it
43
Adductor pollicis action
Adducts the thumb into the lateral side of palm
44
Flexor digiti minimi action
Flexes the proximal phalanx of the 5th digit
45
Opponens digiti minimi action
Brings 5th digit anterior into opposition with thumb
46
Abductor digiti minimi action
Abducts 5th digit
47
Palmaris brevis action
Wrinkles the skin of the palm and deepens the hollow of the palm
48
1st and 2nd lumbricals action
Flexes at MCP and extends at PIP
49
3rd and 4th lumbricals action
Flexes at MCP and extends PIP
50
Palmar interossei 1st-3rd action
Adducts fingers and helps lumbricals
51
Dorsal interossei 1st-4th action
Abducts fingers and helps lumbricals

OCS Anatomy (24 decks)

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