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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
Pronator Teres
O: medial epicondyle of humerus and coronoid process of ulna I: middle of lateral radius A: pronates the forearm N: median nerve
26
Supinator
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
Extensor Carpi Radialis Brevis
O: lateral supracondylar ridge of humerus I: dorsal surface of 3rd metacarpal A: extends wrist, abducts hand N: radial nerve
28
Extensor Carpi Radialis Longus
O: lower lateral supracondylar ridge of humerus I: dorsal surface of 2nd metacarpal A: extends wrist, abducts hand N: radial nerve
29
Extensor Carpi Ulnaris
O: lateral epicondyle of humerus I: medial side of 5th metacarpal A: extends wrist, adducts hand N: radial nerve
30
Flexor Carpi Radialis
O: medial epicondyle of humerus I: base of 2nd and 3rd metacarpals A: flexes wrist, abducts hand N: median nerve
31
Flexor Carpi Ulnaris
O: lateral epicondyle of humerus, olecranon I: pisiform, hamate, 5th metacarpal A: flexes wrist, adducts hand N: ulnar nerve
32
Palmaris Longus
O: medial epicondyle of humerus I: palmar aponeurosis A: flexes wrist N: median nerve
33
Flexor Pollicis Longus
O: anterior radius and interosseus membrane I: base of distal phalanx of thumb (palmar) A: flexes thumb N: median nerve
34
Extensor Pollicis Longus
O: middle of posterior ulna, interosseus membrane I: base of distal phalanx of thumb (dorsal) A: extends thumb N: radial nerve
35
Extensor Digitorum
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
Flexor Digitorum Superficialis
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
Extensor Digiti Minimi
O: lateral epicondyle of humerus I: dorsum of proximal phalanx of 5th digit A: extends pinky N: radial nerve
38
Extensor Indicis
O: posterior surface of ulna I: dorsum of proximal phalanx of index finger A: extends index finger N: radial nerve
39
Abductor Pollicis Longus
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
Extensor Pollicis Brevis
O: posterior surface of radius I: base of proximal phalanx of thumb A: extends thumb N: radial nerve
41
Palmar Interossei
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
Dorsal Interossei
O: adjacent metacarpal shafts I: base of proximal phalanxes 2-4 A: flexes; abducts middle, index, and ring fingers N: ulnar nerve
43
Lumbricals
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
Flexor Pollicis Brevis
O: trapezium bone I: proximal phalanx of thumb A: flexes proximal phalanx of thumb N: median nerve
45
Flexor Digitorum Profundus
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
Opponens Pollicis
O: trapezium bone I: anterior surface of 1st metacarpal A: opposes thumb to other digits N: median nerve
47
Abductor Digiti Minimi
O: pisiform bone I: base of proximal phalanx of 5th digit A: abducts pinky N: ulnar nerve
48
Flexor Digit Minimi Brevis
O: hamate bone I: base of proximal phalanx of 5th digit A: flexes proximal phalanx of pinky N: ulnar nerve
49
Abductor Pollicis Brevis
O: scaphoid and trapezium I: base of proximal phalanx of thumb A: abducts thumb N: median nerve
50
Opponens Digiti Minimi
O: hamate bone I: 5th metacarpal bone A: opposes pinky to thumb N: ulnar nerve
51
Adductor Pollicis
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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