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UE Origins and Insertions > UE Forearm/Hand > Flashcards

UE Forearm/Hand Flashcards

1
Q

Pronator Teres

A

O -
Humeral Head - Immediately above medial epicondyle of humerus, common flexor tendon, and deep antebrachial fascia
Ulnar head - Medial side of coronoid process of ulna

I - Middle of lateral surface of radius

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2
Q

Flexor Carpi Radialis

A

O - Common flexor tendon from medial epicondyle of humerus and deep antebrachial fascia

I - Base of 2nd metacarpal bone and slip to base of 3rd metacarpal bone

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3
Q

Palmaris Longus

A

O - Common flexor tendon from medial epicondyle of humerus, deep antebrachial fascia

I - Flexor retinaculum and palmar aponeurosis

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4
Q

Flexor Digitorum Superficialis

A

O -

Humeral Head - Common flexor tendon from medial epicondyle of humerus, ulnar collateral ligament of elbow joint and eep antebrachial fascia

Ulnar Head - Medial side of cornoid process

Radial Head - Oblique line of radius

I - By 4 tendons into sides of middle phalanges of 2-5th digits

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5
Q

Flexor Digitorum Profundus

A

O - Anterior and medial surface of proximal 3/4 of ulna, interosseus membrane and deep antebrachial fascia

I - By 4 tendons into bases of distal phalanges, anterior surface

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6
Q

Flexor Pollicis Longus

A

O - Anterior surface of body of radius below tuberosity, interosseus membrane, medial border or coronoid process or ulna, and/or medial epicondyle of humerus

I - Base of phalanx of thumb, palmar surface

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7
Q

Flexor Pollicis Brevis

A

O -

Superficial Head - Flexor retinaculum and trapezium bone

Deep Head - Trapezoid and capitate bone

I - Base of proximal phalanx of thumb, radial side and extensor expansion

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8
Q

Pronator Quadratus

A

O - Medial side, anterior surface of distal 1/4 of ulna

I - Lateral side of anterior surface of distal 1/4 of radius

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9
Q

ABDuctor Pollicis Brevis

A

O - Flexor retinaculum, tubercle of trapezium, and tubercle of scaphoid

I - Base of proximal phalanx of thum, radial side, and extensor expansion

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10
Q

Opponens Pollcis

A

O - Flexor retinaculum and tubercle of trapezium bone

I - Entere length of first metacarpal bone, radial side

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11
Q

Lumbricals

A

O -

1-2 Radial surface of flexor profundus tendons of index and middle fingers, respectively

3 - Adjacent sides of flexor profundus tendons of middle and ring fingers

4 - Adjacent sides of flexor profundus tendons or ring and little fingers

I - Into the radial border of the extensor expansion on the dorsum of the respective digits

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12
Q

Flexor Carpi Ulnaris

A

O -

Humeral Head - Common flexor tendon from medial epicondyle of humerus

Ulnar Head - By aponeurosis from the medial margin of olecranon, proximal 2/3 of posterior border of ulna, and the deep antebrachial fascia

I - Pisiform bone and by ligaments to hamate and 5th metacarpal bone

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13
Q

ABDuctor Digiti Minimi

A

O - Tendon of flexor carpi ulnaris and pisiform bone

I - By 2 slips, one into base of proximal phalanx of little finger, ulnar side 2nd into the ulnar border of the extensor expansion

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14
Q

Flexor Digiti Minimi

A

O - Hook of hamate, and flexor retinaculum

I - Base of proximal phalanx of 5th digit, ulnar side

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15
Q

Opponens Digiti Minimi

A

O - Hooke of hamate, flexor retinaculum

I - Entire length of 5th metacarpal, ulnar side

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16
Q

Interossei - Dorsal

A

O -

1st Lateral Head - Proximal 1/2 of ulnar border of 1st metacarpal bone

1st Medial Head - Radial border of 2nd metacarpal bone

2-4th - Adjacent sides of metacarpal bones in each interspace

I - Into extensor expansion and to base of proximal phalanx as follows

1st - Radial side of index finger, chiefly to base of proximal phalanx

2nd - Radial side of middle finger

3rd - Ulnar side of middle finger itno extensor expansion

4th - Ulnar side of ring finger

17
Q

Interossei - Palmar

A

O -

1st - Length of 2nd metacapal bone, ulnar side

2nd - Length of 4th metacarpal bone, radial side

3rd - Length of 5th metacarpal bone, radial side

I - Chiefly into the extensor expansion of the respective digit, with possible attachment to the base of proximal phalanx as follows:

1 - Ulnar side of index finger

2 - Radial side of ring finger

3 - Radial side of little finger

18
Q
A
18
Q
A
19
Q

ADDuctor Pollicis

A

O -

Oblique Fibers - Capitate bone, bases of 2nd and 3rd metacarpals

Transverse Fibers - Palmar surface of 3rd metacarpal

I -

Oblique Head into extensor expansion

Transverse head into ulnar side of base of proximal phalanx of thumb

20
Q

Extensor Carpi Radialis Longus

A

O - Distal 1/3 of lateral supracondylar ridge of humerus and lateral intermuscular septum

I - Dorsal surface of base of 2nd metacarpal bone, radial side

21
Q

Extensor Carpi Radialis Brevis

A

O - Common extensor tendon from lateral epicondyle of humerus, radial collateral ligament of elbow joint, and deep antebrachial fascia

I - Dorsal surface of base of 3rd metacapal bone

22
Q

Extensor Digitorum

A

O - Common extensor tendon from lateral epicondyle of humerus and deep antebrachial fascia

I - By 4 tendons, each penetrating a membranous expansion on the dorsum of the seond to fifth digits and dividing over the proximal phalanx into a medial and two lateral bands

Medial Band - into the base of the middle phalanx

Lateral Bands - Reunite over the middle phalanx and insert into the base of the distal phalanx

23
Q

Extensor Digiti Minimi

A

O - Common extensor tendon from lateral epicondyle of humerus and deep antebrachial fasica

I - Into extensor expansion of little finger with extensor digitorum tendon

24
Q

Extensor Carpi Ulnaris

A

O - Common extensor tendon from lateral epicondyle of humerus by aponeurosis from posterior border of ulna and deep antebrachial fascia

I - Base of 5th metacarpal bone, ulnar side

25
Q

Extensor Indicis

A

O - Posterior surface of body of ulna distal to origin of extensor pollicis longus and interosseus membrane

I - Into extensor expansion of index finger with extensor digitorum longus tendon

26
Q

ABDuctor Pollicis Longus

A

O - Posterior surface of body of ulna distal to origin of supinator, interosseus membrane and posterior surface of middle 1/3 of body of radius

I - Base of 1st metacarpal bone, radial side

27
Q

Extensor Pollicis Longus

A

O - Middle 1/3 of posterior surface of ulna distal to origin of APL and interosseus membrane

I - Base of distal phalanx of thumb, dorsal surface

28
Q

Extensor Pollicis Brevis

A

O - Posterior surface of body of radius distal to origin of APL and interosseus membrane

I - Base of proximal phalanx of thumb, dorsal surface

29
Q

Supinator

A

O - Lateral epicondyle of humerus, radial collateral ligament of elbow joint, annular ligament of radius and supinator crest of ulna

I - Lateral surface of upper 1/3 of body of radius covering part of anterior and posterior surface

UE Origins and Insertions (6 decks)

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