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MSK Assessment 3 > Upper Limb Muscle Chart > Flashcards

Upper Limb Muscle Chart Flashcards

1
Q

Pectoralis major

A

Clavicle, sternum, costal cartilages of upper ribs
Lip of the intertubercular sulcus
Medial and lateral pectoral nn
Adducts/medially rotates arm (also aids in flexion and extension of the humerus)

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2
Q

Pectoralis minor

A

Ribs near the costal cartilage
Coracoid process
Medial pectoral n
Stabilizes the scapula

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3
Q

Subclavius

A

First rib
Clavicle
Nerve to the subclavius
Anchors/depresses clavicle

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4
Q

Serratus anterior

A

Lateral surface of the ribs
Medial border of the scapula
Long thoracic n
Protracts scapula/holds it against the thoracic wall

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5
Q

Deltoid

A

Clavicle, acromion, spine of the scapula
Deltoid tuberosity
Axillary n
Anterior fibers- flex/medially rotate arm
Middle fibers- abducts
Posterior fibers- extend/laterally rotate arm

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6
Q

Infraspinatus

A

Infraspinous fossa
Greater tubercle of humerus
Suprascapular n
Laterally rotates the arm

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7
Q

Supraspinatus

A

Supraspinatus fossa
Greater tubercle of the humerus
Suprascapular n
Initiates arm abduction for deltoid

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8
Q

Teres minor

A

Lateral border of the scapula
Greater tubercle of humerus
Axillary nerve
Laterally rotates the arm

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9
Q

Teres major

A

Inferior angle of scapula
Lip of intertubercular sulcus
Lower subscapular n
Adducts/medially rotates the arm

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10
Q

Subscapularis

A

Subscapular fossa
Lesser tubercle of humerus
Upper and lower subscapular nn
Medially rotates the arm

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11
Q

Biceps brachii

A 
Short head- coracoid process
Long head- Supra glenoid tubercle
Radial tuberosity and bicipital aponeurosis
Musculocutaneous nerve
Flexes and supinate the forearm
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12
Q

Coracobrachialis

A

Coracoid process
Midshaft of humerus
Musculocutaneous n
Weakly flexes and adducts the arm

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13
Q

Brachialis

A

Distal humeral shaft
Coronoid process of ulna
Musculocutaneous (small contribution from radial n)
Flexes forearm

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14
Q

Triceps brachii

A 
Long head- infraglenoid tubercle
Lateral and medial heads: shaft of humerus
Olecranon process
Radial n
Extends forearm
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15
Q

Anconeus

A

Lateral epicondyle
Proximal ulna
Radial n
Weakly extends forearm

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16
Q

Pronator teres

A

Coronoid process and medial condyle
Radial shaft
Median n
Pronates/flexes forearm

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17
Q

Palmaris longus

A

Medial epicondyle of humerus
Flexor retinaculum and palmar aponeurosis
Median n
Flexes hand/tenses palmar aponeurosis

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18
Q

Flexor carpi radialis

A

Medial epicondyle
2nd metacarpal
Median n
Flexes/abducts hand

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19
Q

Flexor carpi ulnaris

A

Medial epicondyle of humerus and olecranon process
Pisiform, hook of hamate, 5th metacarpal
Ulnar n*
Flexes/adducts hand

20
Q

Flexor digitorum superficialis

A

Medial epicondyle and proximal radius
Middle phalanges of digits 2-5
Median n
Flexes PIP and MP digits of 2-5

21
Q

Flexor digitorum profundus

A

Proximal and middle ulna
Distal phalanges digits 2-5
Ulnar n (medial half); median n (lateral half)
Flexed DIP of digits 2-5

22
Q

Flexor pollicis longus

A

Radial shaft
Distal phalanx of thumb
Median n
Flexes thumb

23
Q

Pronator quadratus

A

Distal ulna
Distal radius
Median n
Pronates forearm

24
Q

Brachioradialis

A

Supraepicondylar ridge of humerus
Distal radius
Radial n
Flexes forearm

25
Q

Extensor carpi radialis longus

A

Lateral supraepicondylar ridge of humerus
2nd metacarpal
Radial n
Extends/abducts hand

26
Q

Extensor carpi radialis brevis

A

Lateral epicondyle
3rd metacarpal
Radial n
Extends/abducts hand

27
Q

Extensor digitorum

A

Lateral epicondyle of humerus
Extensor expansion of digits 2-5
Radial n
Extends MP and IP joints of 2-5

28
Q

Extensor digiti minimi

A

Lateral epicondyle of humerus
Extensor expansion of digit 5
Radial n
Extends MP and IP joint of digit 5

29
Q

Extensor carpi ulnaris

A

Lateral epicondyle of humerus and proximal ulna
5th metacarpal
Radial n
Extends/adducts hand

30
Q

Supinator

A

Lateral epicondyle of humerus
Proximal radius
Radial n
Supinates forearm

31
Q

Extensor indicis

A

Distal ulna
Extensor expansion of digit 2
Radial n
Extends digit 2

32
Q

Abductor pollicis longus

A

Proximal ulna and radius
1st metacarpal
Radial nerve
Abducts thumb

33
Q

Extensor pollicis longus

A

Midshaft of ulna
Distal phalanx of thumb
Radial n
Extends thumb

34
Q

Extensor pollicis brevis

A

Distal radius
Proximal phalanx of thumb
Radial nerve
Extends thumb

35
Q

Opponens pollicis

A

Flexor retinaculum and carpal bones
1st metacarpal
Recurrent branch of the median n
Opposes thumb

36
Q

Abductor pollicis brevis

A

Flexor retinaculum and carpal bones
Proximal phalanx of thumb
Recurrent branch of the median n
Abducts thumb

37
Q

Flexor pollicis brevis

A

Flexor retinaculum and carpal bones
Proximal phalanx of thumb
Recurrent branch of median n
Flexes thumb

38
Q

Adductor pollicis

A 
Oblique head- 2nd and 3rd metacarpal and adj carpal bones
Transverse head- 3rd metacarpal
Proximal phalanx of thumb
Ulnar n
Adducts thumb
39
Q

Abductor digiti minimi

A

Pisiform
Proximal phalanx of 5th digit
Ulnar n
Abducts 5th digit

40
Q

Flexor digiti minimi

A

Hook of hamate
Proximal phalanx of 5th digit
Ulnar n
Flexes 5th digit

41
Q

Opponens digiti minimi

A

Hook of hamate
5th metacarpal
Ulnar n
Opposes 5th digit

42
Q

Lumbricals 1+2

A

Lateral 2 tendons of the FDP
Extensor expansions of digits 2+3
Median
Flexes MP joint, extends IP joint

43
Q

Lumbricals 3+4

A

Median 3 tendons of FDP
Extensor expansion of digits 4+5
Ulnar n
Flex MP, extends IP

44
Q

Dorsal interossei (4)

A

Adjacent sides of metacarpals
Proximal phalanges and extensor expansions
Ulnar n
Abducts digits 2-4, assists lumbricals

45
Q

Palmar interossei (3)

A

Palmar surface of metacarpals 2,4 and 5
Proximal phalanges and extensor expansions
Ulnar n
Adducts digits 2,4 and 5; assists lumbricals

MSK Assessment 3 (13 decks)

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