Joint actions- what muscles? Flashcards

1
Q

Extension of the vertebral column

A
splenius captius & splenius crevicis
Erector spinae:
    Iliocostalis
    Longissimus
    Spinalis
Transversospinalis: 
    Semispinalis
    Multifidus
    Rotatores
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2
Q

Lateral flexion & rotation

A

Splenius capitus & splenius cervicus
Iliocostalis
Longissimus
Spinalis

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3
Q

Stabilize vertebrae & rotation to contralateral side

A

Transversospinalis:
Semispinalis
Multifidus
Rotatores

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4
Q

Elevates scapula

A

Trapezius- superior fibers

levator scapulae

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5
Q

Depression of scapula

A

Trapezius- inferior fibers

pectoralis minor

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6
Q

Retraction of scapula

A

Trapezius- middle fibers

Rhomboid major and minor

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7
Q

Protraction of scapula

A

pectoralis minor

serratus anterior

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8
Q

Upward rotation of scapula

A

serrates anterior

trapezius- superior & inferior fibers

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9
Q

Downward rotation of scapula

A

Levator scapulae

Rhomboid major & minor

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10
Q

Flexion of GHJ

A

Pectoralis major
Deltoid- anterior portion
Coracobrachilis
Biceps brachii (weak)

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11
Q

Extension of GHJ

A

Latissimus dorsi
Deltoid (posterior portion)
Triceps brachii- long head

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12
Q

Abduction of GHJ

A

Deltoid- middle portion after 15 degrees

supraspinatus- initial 15 degrees

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13
Q

Adduction of GHJ

A

Pectoralis major
Latissimus dorsi
Teres major
Subscapularis

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14
Q

Medial rotation of GHJ

A
pectoralis major
latissimus dorsi
deltoid- anterior portion
Teres major
subscapularis
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15
Q

Lateral rotation of GHJ

A

Deltoid- posterior portion
infraspinatus
teres minor

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16
Q

Flexion at elbow

A

biceps brachii
brachial
brachioradialis

17
Q

Extension at elbow

A

triceps brachii

18
Q

Pronation of forearm

A

Pronator quadratus

Pronator teres

19
Q

Supination of forearm

A
Supinator
Biceps brachii (when elbow is flexed)
20
Q

Flexion of wrist

A
Flexor carpi radialis
Flexor carpi ulnaris
Palmaris longus
Flexor digitorum superficialis
Flexor digitorum profundus
Flexor pollucis longus
21
Q

Extension of wrist

A

Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor carpi ulnaris
Extensor digitorum

22
Q

Abduction of wrist

A

Flexor carpi radialis
Extensor carpi radialis longus
Extensor carpi radialis brevis

23
Q

Adduction of wrist

A

Flexor carpi ulnaris

Extensor carpi ulnaris

24
Q

Flexion of MCP

A
Flexor digitorum superficialis
Flexor digitorum profundus
Lumbricals
Flexor digiti minimi
Flexor pollicis longus
Flexor pollicis brevis
25
Q

Extension of MCP

A

Extensor digitorum
Extensor digiti minimi
Extensor pollicis brevis
Extensor pollicis longus

26
Q

Abduction of MCP

A

Dorsal interossei

abductor digiti minimi

27
Q

Adduction of MCP

A

Palmar interossei

28
Q

Flexion of DIP

A

Flex digitorum profundus

29
Q

Extension of PIP & DIP

A
Lumbricals
Extensor indicis
Extensor digitorum
Extensor digiti minimi
Extensor pollicis longus
30
Q

Flexion of the pollex

A

Flexor pollicis longus

Flexor pollicis brevis

31
Q

Extension of pollex

A

Extensor pollicis brevis
Extensor pollicis longus
Abductor pollicis longus

32
Q

Abduct pollex

A

Abductor pollicis longus

33
Q

Adduct pollex

A

Adductor pollicis

34
Q

Oppose pollex

A

Opponens pollicis

35
Q

Opposition of digiti minimi

A

Opponens digiti minimi