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Anatomy > Anatomy Upper Extremity > Flashcards

Anatomy Upper Extremity Flashcards

1
Q

Coracobrachialis

A

O: Coracoid process
I: middle, inner border of humerus
A: raise and adduct arm
N: musculocutaneous nerve

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2
Q

Deltoid

A

O: lateral clavicle, upper acromion, scapular spine
I: deltoid tuberosity of humerus
A: abducts arm
N: axillary nerve

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3
Q

Infraspinatus

A

O: infraspinous fossa of scapula
I: greater tuberosity of humerus
A: rotates humerus laterally
N: suprascapular nerve

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4
Q

Pectoralis Major

A

O: sternal half of clavicle
I: lateral lip of bicipital groove of humerus
A: adducts arm, rotates it medially
N: medial and lateral pectoral nerve

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5
Q

Subscapularis

A

O: subscapular fossa of scapula
I: lesser tuberosity of humerus
A: rotates humerus medially
N: upper and lower subscapular nerve

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6
Q

Supraspinatus

A

O: supraspinous fossa of scapula
I: greater tuberosity of humerus
A: abducts arm, rotates humerus laterally
N: suprascapular nerve

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7
Q

Teres Major

A

O: dorsal surface of inferior angle of scapula
I: lesser tubercle of humerus and bicipital groove
A: adducts arm, medially rotates arm
N: lower subscapular nerve

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8
Q

Teres Minor

A

O: dorsal surface of axillary border of scapula
I: greater tubercle of humerus
A: laterally rotates arm
N: axillary nerve

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9
Q

Latissimus Dorsi

A

O: T7 - sacrum, iliac crest, lower ribs
I: bicipital groove of humerus
A: extends arm and rotates it medially, adducts
N: thoracodorsal

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10
Q

Biceps Brachii Long Head

A

O: coracoid process of scapula
I: radial tuberosity
A: flexes forearm/arm, supinates
N: musculocutaneous

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11
Q

Biceps Brachii Short Head

A

O: supraglenoid tubercle of scapula
I: radial tuberosity
A: flexes forearm/arm, supinates
N: musculocutaneous

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12
Q

Triceps Brachii Long Head

A

O: infraglenoid tubercle of scapula
I: olecranon process of ulna
A: extends forearm/arm, adducts forearm
N: radial nerve

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13
Q

Triceps Brachii Lateral Head

A

O: posterolateral humerus
I: olecranon process of ulna
A: extends forearm/arm
N: radial nerve

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14
Q

Triceps Brachii Medial Head

A

O: posteromedial humerus
I: olecranon process of ulna
A: extends forearm/arm
N: radial nerve

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15
Q

Subclavius

A

O: 1st rib and costal cartilage
I: lower surface of clavicle
A: depresses and pulls clavicle forward
N: subclavius nerve

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16
Q

Levator Scapulae

A

O: transverse process of C1-C4
I: vertebral border of scapula
A: elevates the scapula, rotates laterally
N: dorsal scapular nerve and 3rd and 4th cervical nerves

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17
Q

Pectoralis Minor

A

O: ribs 3-5
I: coracoid process of scapula
A: draws scapula forward, medialward, and downward, elevates ribs
N: medial and lateral pectoral nerves

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18
Q

Rhomboids Major

A

O: spines of T2-T5
I: medial border of scapula
A: adducts and rotates scapula
N: dorsal scapular nerve

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19
Q

Rhomboids Minor

A

O: ligamentum nuchae, spines of C7 and T1
I: root of scapular spine
A: adducts and rotates scapula
N: dorsal scapular nerve

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20
Q

Serratus Anterior

A

O: ribs 1-8
I: vertebral border of scapula
A: abducts scapula
N: long thoracic nerve

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21
Q

Trapezius

A

O: occipital protuberance, spinous process of vertebrae, ligamentum nuchae
I: lateral 1/3 of clavicle, scapular spine, acromion
A: adducts scapula, tilts chin, draws back acromion
N: spinal accessory nerves, 3rd and 4th cervical nerves

22
Q

Brachioradialis

A

O: upper lateral supercondylar ridge of humerus
I: lateral side of base of styloid process of radius
A: flexes elbow, assists in pronation and supination
N: radial nerve

23
Q

Brachialis

A

O: lower half of anterior humerus
I: coronoid process and tuberosity of ulna
A: flexes forearm
N: musculocutaneous and brachial nerves

24
Q

Pronator Quadratus

A

O: medial side of anterior surface of lower ulna
I: anterior surface of lower radius
A: pronates the forearm
N: median nerve

25
Q

Pronator Teres

A

O: medial epicondyle of humerus and coronoid process of ulna
I: middle of lateral radius
A: pronates the forearm
N: median nerve

26
Q

Supinator

A

O: lateral epicondyle of humerus, annular ligament
I: upper radius on lateral and anterior side
A: supinates the forearm (rotates radius)
N: radial nerve

27
Q

Extensor Carpi Radialis Brevis

A

O: lateral supracondylar ridge of humerus
I: dorsal surface of 3rd metacarpal
A: extends wrist, abducts hand
N: radial nerve

28
Q

Extensor Carpi Radialis Longus

A

O: lower lateral supracondylar ridge of humerus
I: dorsal surface of 2nd metacarpal
A: extends wrist, abducts hand
N: radial nerve

29
Q

Extensor Carpi Ulnaris

A

O: lateral epicondyle of humerus
I: medial side of 5th metacarpal
A: extends wrist, adducts hand
N: radial nerve

30
Q

Flexor Carpi Radialis

A

O: medial epicondyle of humerus
I: base of 2nd and 3rd metacarpals
A: flexes wrist, abducts hand
N: median nerve

31
Q

Flexor Carpi Ulnaris

A

O: lateral epicondyle of humerus, olecranon
I: pisiform, hamate, 5th metacarpal
A: flexes wrist, adducts hand
N: ulnar nerve

32
Q

Palmaris Longus

A

O: medial epicondyle of humerus
I: palmar aponeurosis
A: flexes wrist
N: median nerve

33
Q

Flexor Pollicis Longus

A

O: anterior radius and interosseus membrane
I: base of distal phalanx of thumb (palmar)
A: flexes thumb
N: median nerve

34
Q

Extensor Pollicis Longus

A

O: middle of posterior ulna, interosseus membrane
I: base of distal phalanx of thumb (dorsal)
A: extends thumb
N: radial nerve

35
Q

Extensor Digitorum

A

O lateral epicondyle of humerus
I: lateral dorsal surface of digits 2-5
A: extends medial 4 digits; assists in wrist extension
N: radial nerve

36
Q

Flexor Digitorum Superficialis

A

O: medial epicondyle of humerus and upper anterior surface of radius
I: middle phalanges of digits 2-5
A: flexes middle phalanges 2-5
N: median nerve

37
Q

Extensor Digiti Minimi

A

O: lateral epicondyle of humerus
I: dorsum of proximal phalanx of 5th digit
A: extends pinky
N: radial nerve

38
Q

Extensor Indicis

A

O: posterior surface of ulna
I: dorsum of proximal phalanx of index finger
A: extends index finger
N: radial nerve

39
Q

Abductor Pollicis Longus

A

O: posterior surface of ulna, middle of posterior radius
I: radial side of base of 1st metacarpal
A: abducts thumb and wrist
N: radial nerve

40
Q

Extensor Pollicis Brevis

A

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

41
Q

Palmar Interossei

A

O: palmar surface of shafts of metacarpals
I: base of proximal phalanx
A: flexes; adducts digit to which it is inserted
N: ulnar nerve

42
Q

Dorsal Interossei

A

O: adjacent metacarpal shafts
I: base of proximal phalanxes 2-4
A: flexes; abducts middle, index, and ring fingers
N: ulnar nerve

43
Q

Lumbricals

A

O: flexor digitorum profundus
I: tendons of extensor digitorum and interossei
A; flexes fingers in metacarpophalangeal joints, extends fingers in interphalangeal joints
N: median nerve

44
Q

Flexor Pollicis Brevis

A

O: trapezium bone
I: proximal phalanx of thumb
A: flexes proximal phalanx of thumb
N: median nerve

45
Q

Flexor Digitorum Profundus

A

O: medial and anterior surface of ulna
I: distal phalanges of medial 4 digits (palmar)
A: flexes distal phalanges
N: median and ulnar nerves

46
Q

Opponens Pollicis

A

O: trapezium bone
I: anterior surface of 1st metacarpal
A: opposes thumb to other digits
N: median nerve

47
Q

Abductor Digiti Minimi

A

O: pisiform bone
I: base of proximal phalanx of 5th digit
A: abducts pinky
N: ulnar nerve

48
Q

Flexor Digit Minimi Brevis

A

O: hamate bone
I: base of proximal phalanx of 5th digit
A: flexes proximal phalanx of pinky
N: ulnar nerve

49
Q

Abductor Pollicis Brevis

A

O: scaphoid and trapezium
I: base of proximal phalanx of thumb
A: abducts thumb
N: median nerve

50
Q

Opponens Digiti Minimi

A

O: hamate bone
I: 5th metacarpal bone
A: opposes pinky to thumb
N: ulnar nerve

51
Q

Adductor Pollicis

A

O: capitate, trapezium and trapezoid bones (oblique head), shaft of 3rd metacarpal (transverse head)
I: base of proximal phalanx of thumb
A: adducts thumb
N: ulnar nerve

Anatomy (3 decks)

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