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SF1_XXX_Upper Limb > UL Origins and Insertions > Flashcards

UL Origins and Insertions Flashcards

1
Q

abductor digiti minimi

A

Origin: pisiform

Insertion: base of the proximal phalanx of the 5th digit on its ulnar side

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2
Q

abductor pollicis brevis

A

Origin: flexor retinaculum, scaphoid, trapezium

Insertion: base of the proximal phalanx of the first digit

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3
Q

abductor pollicis longus

A

Origin: middle one-third of the posterior surface of the radius, interosseous membrane, mid-portion of posterolateral ulna

Insertion: radial side of the base of the first metacarpal

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4
Q

adductor pollicis

A

Origin: oblique head: capitate and base of the 2nd and 3rd metacarpals; transverse head: shaft of the 3rd metacarpal

Insertion: base of the proximal phalanx of the thumb

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5
Q

anconeus

A

Origin: lateral epicondyle of the humerus

Insertion: lateral side of the olecranon and the upper one-fourth of the ulna

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6
Q

biceps brachii

A

Origin:

  • short head: tip of the coracoid process of the scapula;
  • long head: supraglenoid tubercle of the scapula

Insertion: tuberosity of the radius

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7
Q

brachialis

A

Origin: anterior surface of the lower one-half of the humerus and the associated intermuscular septa

Insertion: coronoid process of the ulna

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8
Q

brachioradialis

A

Origin: upper two-thirds of the lateral supracondylar ridge of the humerus

Insertion: lateral side of the base of the styloid process of the radius

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9
Q

coracobrachialis

A

Origin: coracoid process of the scapula

Insertion: medial side of the humerus at mid-shaft

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10
Q

deltoid

A

Origin: lateral one-third of the clavicle, acromion, the lower lip of the crest of the spine of the scapula

Insertion: deltoid tuberosity of the humerus

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11
Q

dorsal interosseous (hand)

A

Origin: four muscles, each arising from two adjacent metacarpal shafts

Insertion: base of the proximal phalanx and the extensor expansion on lateral side of the 2nd digit, lateral & medial sides of the 3rd digit, and medial side of the 4th digit

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12
Q

extensor carpi radialis brevis

A

Origin: lateral supracondylar ridge of the humerus (common extensor tendon

Insertion: dorsum of the third metacarpal bone (base)

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13
Q

extensor carpi radialis longus

A

Origin: lower one-third of the lateral supracondylar ridge of the humerus

Insertion: dorsum of the second metacarpal bone (base)

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14
Q

extensor carpi ulnaris

A

Origin: common extensor tendon & the middle one-half of the posterior border of the ulna

Insertion: medial side of the base of the 5th metacarpal

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15
Q

extensor digiti minimi

A

Origin: common extensor tendon (lateral epicondyle of the humerus)

Insertion: joins the extensor digitorum tendon to the 5th digit and inserts into the extensor expansion

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16
Q

extensor digitorum

A

Origin: common extensor tendon (lateral epicondyle of the humerus)

Insertion: extensor expansion of digits 2-5

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17
Q

extensor indicis

A

Origin: interosseous membrane and the posterolateral surface of the distal ulna

Insertion: its tendon joins the tendon of the extensor digitorum to the second digit; both tendons insert into the extensor expansion

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18
Q

extensor pollicis brevis

A

Origin: interosseous membrane and the posterior surface of the distal radius

Insertion: base of the proximal phalanx of the thumb

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19
Q

extensor pollicis longus

A

Origin: interosseous membrane and middle part of the posterolateral surface of the ulna

Insertion: base of the distal phalanx of the thumb

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20
Q

flexor carpi radialis

A

Origin: common flexor tendon from the medial epicondyle of the humerus

Insertion: base of the second and third metacarpals

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21
Q

flexor carpi ulnaris

A

Origin: common flexor tendon & (ulnar head) from medial border of olecranon & upper 2/3 of the posterior border of the ulna

Insertion: pisiform, hook of hamate, and base of 5th metacarpal

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22
Q

flexor digiti minimi brevis (hand)

A

Origin: hook of hamate & the flexor retinaculum

Insertion: proximal phalanx of the 5th digit

23
Q

flexor digitorum profundus

A

Origin: posterior border of the ulna, proximal two-thirds of medial border of ulna, interosseous membrane

Insertion: base of the distal phalanx of digits 2-5

24
Q

flexor digitorum superficialis

A

Origin: humeroulnar head: common flexor tendon; radial head: middle 1/3 of radius

Insertion: shafts of the middle phalanges of digits 2-5

25
flexor pollicis brevis
Origin: flexor retinaculum, trapezium Insertion: proximal phalanx of the 1st digit
26
flexor pollicis longus
Origin: anterior surface of radius and interosseous membrane Insertion: base of the distal phalanx of the thumb
27
infraspinatus
Origin: infraspinatous fossa Insertion: greater tubercle of the humerus (middle facet)
28
interosseous, dorsal (hand)
Origin: four muscles, each arising from two adjacent metacarpal shafts Insertion: base of the proximal phalanx and the extensor expansion on lateral side of the 2nd digit, lateral & medial sides of the 3rd digit, and medial side of the 4th digit
29
interosseous, palmar
Origin: four muscles, arising from the palmar surface of the shafts of metacarpals 1, 2, 4, & 5 (the 1st palmar interosseous is often fused with the adductor pollicis m.) Insertion: base of the proximal phalanx and extensor expansion of the medial side of digits 1 & 2, and lateral side of digits 4 & 5
30
latissimus dorsi
Origin: vertebral spines from T7 to the sacrum, posterior third of the iliac crest, lower 3 or 4 ribs, sometimes from the inferior angle of the scapula Insertion: floor of the intertubercular groove
31
levator scapulae
Origin: transverse processes of C1-C4 vertebrae Insertion: medial border of the scapula from the superior angle to the spine
32
lumbrical
Origin: flexor digitorum profundus tendons of digits 2-5 Insertion: extensor expansion on the radial side of the proximal phalanx of digits 2-5
33
opponens digiti minimi
Origin: hook of hamate and flexor retinaculum Insertion: shaft of 5th metacarpal
34
opponens pollicis
Origin: flexor retinaculum, trapezium Insertion: shaft of 1st metacarpal
35
palmar interosseous
Origin: four muscles, arising from the palmar surface of the shafts of metacarpals 1, 2, 4, & 5 (the 1st palmar interosseous is often fused with the adductor pollicis m.) Insertion: base of the proximal phalanx and extensor expansion of the medial side of digits 1 & 2, and lateral side of digits 4 & 5
36
palmaris brevis
Origin: fascia overlying the hypothenar eminence Insertion: skin of the palm near the ulnar border of the hand
37
palmaris longus
Origin: common flexor tendon, from the medial epicondyle of the humerus Insertion: palmar aponeurosis
38
pectoralis major
Origin: medial 1/2 of the clavicle, manubrium & body of sternum, costal cartilages of ribs 2-6, sometimes from the rectus sheath of the upper abdominal wall Insertion: crest of the greater tubercle of the humerus
39
pectoralis minor
Origin: ribs 3-5 Insertion: coracoid process of the scapula
40
pronator quadratus
Origin: medial side of the anterior surface of the distal one-fourth of the ulna Insertion: anterior surface of the distal one-fourth of the radius
41
pronator teres
Origin: common flexor tendon and (deep or ulnar head) from medial side of coronoid process of the ulna Insertion: midpoint of the lateral side of the shaft of the radius
42
rhomboideus major
Origin: spines of vertebrae T2-T5 Insertion: medial border of the scapula inferior to the spine of the scapula
43
rhomboideus minor
Origin: inferior end of the ligamentum nuchae, spines of vertebrae C7 and T1 Insertion: medial border of the scapula at the root of the spine of the scapula
44
serratus anterior
Origin: ribs 1-8 or 9 Insertion: medial border of the scapula on its costal (deep) surface
45
serratus posterior inferior
Origin: thoracolumbar fascia, spines of vertebrae T11-T12 and L1-L2 Insertion: ribs 9-12, lateral to the angles
46
serratus posterior superior
Origin: ligamentum nuchae, spines of vertebrae C7 and T1-T3 Insertion: ribs 1-4, lateral to the angles
47
subclavius
Origin: first rib and its cartilage Insertion: inferior surface of the clavicle
48
subscapularis
Origin: medial two-thirds of the costal surface of the scapula (subscapular fossa) Insertion: lesser tubercle of the humerus
49
supinator
Origin: lateral epicondyle of the humerus, supinator crest & fossa of the ulna, radial collateral ligament, annular ligament Insertion: lateral side of proximal one-third of the radius
50
supraspinatus
Origin: supraspinatous fossa Insertion: greater tubercle of the humerus (highest facet)
51
teres major
Origin: dorsal surface of the inferior angle of the scapula Insertion: crest of the lesser tubercle of the humerus
52
teres minor
Origin: upper 2/3 of the lateral border of the scapula Insertion: greater tubercle of the humerus (lowest facet)
53
trapezius
Origin: medial third of the superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of vertebrae C7-T12 Insertion: lateral third of the clavicle, medial side of the acromion and the upper crest of the scapular spine, tubercle of the scapular spine
54
triceps brachii
Origin: * long head: infraglenoid tubercle of the scapula; * lateral head: posterolateral humerus & lateral intermuscular septum; * medial head: posteromedial surface of the inferior 1/2 of the humerus Insertion: olecranon process of the ulna

SF1_XXX_Upper Limb (5 decks)

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