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Muscle Cards > Shoulder, Arm, and Hand > Flashcards

Shoulder, Arm, and Hand Flashcards

1
Q

Deltoid

A

O: clavicle, acromion, and spine of scapula
I: tuberosity of humerus
N: axillary nerve (C5-C6)
A: flexs/IR, abduction, and extends/ER arm

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2
Q

Subscapularis

A

O: subscapular fossa (anterior side of scapula)
I: lesser tubercle of humerus
N: subscapular (C5-7)
A: adducts/IR arm

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3
Q

Supraspinatus

A

O: supraspinous fossa of scapula
I: superior facet of greater tubercle of humerus
N: suprascapular (C5-7)
A: initial abduction

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4
Q

Infraspinatus

A

O: infraspinous fossa of scapula
I: middle facet of greater tubercle of humerus
N: suprascapular nerve (C5-7)
A: ER of arm

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5
Q

Teres Minor

A

O: lateral border of scapula
I: inferior facet of greater tubercle of humerus
N: axillary nerve (C5-6)
A: ER of arm

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6
Q

Teres Major

A

O: dorsal surface of inferior angle of scapula
I: intertubercular groove of humerus
N: subscapular nerve (C5-7)
A: adducts and IR arm

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7
Q

Biceps Brachii

A

O: coracoid process/ supraglenoid tubercle
I: tuberosity of radius
N: musculocutaneous (C5-7)
A: flexes elbow (that is supinated), supination, weak shoulder flexor

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8
Q

Brachialis

A

O: distal part of anterior surface of humerus
I: cornoid process and tuberostiy of ulna
N: musculocutaneous nerve (C5-7)
A: flexes forearm in ALL positions

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9
Q

Coracobrachialis

A

O: tip of coracoid process
I: medial surface of humerus
N: musculocutaneous nerve (C5-7)
A: flexion/adduction of arm

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10
Q

Triceps Brachii

A

O: infraglenoid tubercle, posterior surface of humerus (superior and inferior to radial groove)
I: olecranon
N: radial nerve (C5-T1)
A: extends forearm

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11
Q

Anconeus

A

N: radial nerve (C5-T1)
A: assists triceps in extending forearm

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12
Q

Pronator Teres

A

O: medial epicondyle/ ulnar coronoid process
I: middle of radius
N: median nerve (C6-T1)
A: pronation

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13
Q

Flexor Carpi Radialis

A

O: medial epicondyle
I: base of 2nd metacarpal bone
N: median nerve (C6-T1)
A: flexes and abducts it (radial deviation)

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14
Q

Palmaris Longus

A

O: medial epicondyle
I: flexor retinaculum/ palmar aponeurosis
N: median nerve (C6-T1)
A: flexes wrist/ tightens palmar aponeurosis

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15
Q

Flexor Carpi Ulnaris

A

O: medial epicondyle / olecranon
I: pisiform, hanmate and 5th metacarpal bone
N: ulnar nerve (C7-T1)
A: flexes wrist and adducts (ulnar deviation)

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16
Q

Flexor Digitorum Superficialis

A

O: medial epicondyle/ anterior border of radius
I: middle phalanges of medial 4 digits (medial and lateral sides)
N: medial nerve (C6-T1)
A: flexes middle phalanges; can flex proximal phalanges at MCP joint

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17
Q

Flexor Digitorum Profundus

A

O: medial and anterior surface of ulna
I: bases of distal phalanges of medial 4 digits
N: 4-5 = ulnar; 2-3 = median
A: flexes distal phalanges; flexes PIPs and MCPs/wrist

18
Q

Flexor Pollicis Longus

A

O: anterior surface of radius
I: base of distal phalanx of thumb
N: anterior interosseous nerve (median nerve)
A: flexes phalanges of thumb (MCP and IP)

19
Q

Pronator Quadratus

A

O: distal part of anterior surface of ulna
I: anterior surface of radius
N: anterior interosseous (median nerve)
A: pronates forearm

20
Q

Brachioradialis

A

O: supracondylar ridge of humerus
I: lateral surface of distal end of radius
N: radial nerve (C5-T1)
A: flexes forearm

21
Q

Extensor Carpi Radialis Longus

A

O: lateral supracondylar ridge of humerus/ lateral epicondyle
I: base of 2nd metacarpal bone
N: radial nerve (C5-T1)
A: extend and abduct hand (radial deviation)

22
Q

Extensor Carpi Radialis Brevis

A

O: lateral epicondyle
I: base of 3rd metacarpal bone
N: deep branch of radial (C7-C8)
A: extend and abduct (radial deviation)

23
Q

Supinator

A

O: lateral epicondyle
I: lateral/post/ant surface of radius
N: deep branch of radial (C7-C8)
A: supinates

24
Q

Extensor Carpi Ulnaris

A

O: lateral epicondyle/ posterior ulna
I: base of 5th metacarpal
N: posterior interosseous (radial nerve) C7-C8
A: extends and adducts (ulnar deviation)

25
Q

Extensor Digitorum

A

O: lateral epicondyle
I: median slip to PIP and 2 lateral slips to DIP
N: posterior interosseous (radial nerve) C7-8
A: extends at MCP and wrist

26
Q

Extensor Digiti Minimi

A

O: lateral epicondyle
I: 5th digit
N: posterior interosseous
A: extends 5th digit at MCP and PIP

27
Q

Extensor Indicis

A

O: posterior surface of ulna
I: 2nd digit
N: posterior interosseous nerve (C7-8)
A: extends 2nd digit

28
Q

Abductor Pollicis Longus

A

O: posterior surface of ulna/radius
I: base of 1st metacarpal bone
N: posterior interosseous
A: abducts thumb and wrist

29
Q

Extensor Pollicis Longus

A

O: posterior surface of ulna (distal to abductor pollicis longus)
I: base of distal phalanx of thumb
N: posterior interosseous
A: extends distal phalanx of thumb at MCP and IP joints

30
Q

Extensor Pollicis Brevis

A

O: posterior surface of radius
I: base of proximal phalanx of thumb
N: posterior interosseous
A: extends proximal phalanx of thumb

31
Q

Abductor Pollicis Brevis

A

O: tubercles of scaphoid and trapezium bones
I: radial side of base of proximal phalanx of thumb
N: recurrent brance of median N (C8-T1)
A: abducts thumb and opposition

32
Q

Flexor Pollicis Brevis

A

O: tubercle of trapezium; trapezoid, capitate
I: radial side of base of proximal phalanx of thumb
N: recurrent branch of median N and ulnar nerve
A: flexes thumb at proximal phalanx

33
Q

Opponens Pollicis

A

O: tubercle of trapezium bone
I: radial side of 1st metacarpal bone
N: recurrent branch of median N
A: opposes thumb, IR thumb

34
Q

Adductor Pollicis

A

O: base of 2nd/3rd metacarpals, capitate and adjacent carpal bones
I: ulnar side of base of proximal phalanx of thumb
N: deep branch of ulnar nerve
A: adducts thumb, opposition, flexes thumb at MCP

35
Q

Abductor Digiti Minimi

A

O: pisiform bone
I: medial side of base of proximal phalanx of 5th finger
N: deep branch of ulnar
A: abducts 5th digit

36
Q

Flexor Digiti Minimi Brevis

A

O: hook of hanmate
I: medial side of base of proximal phalanx of 5th digit
N: deep branch of ulnar
A: flexes proximal phalanx of 5th digit (MCP joint)

37
Q

Opponens Digiti Minimi

A

O: hook of hanmate
I: medial border of 5th metacarpal
N: deep branch of ulnar
A: opposition

38
Q

Lumbricals

A

O: tendons of flexor digitorum profundus
I: lateral sides of extensor expansions of digits 2-5
N: 2-3 = median; 4-5= ulnar
A: flexes MCP and extends IP joints

39
Q

Dorsal Interossei

A

ABDUCTS (digits 2,3 4)

40
Q

Palmar Interossei

A

ADDUCTS (digits 2,4 5)

Muscle Cards (5 decks)

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