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Anatomy Unit 2 > Muscle Attachments > Flashcards

Muscle Attachments Flashcards

1
Q

Extensor Carpi Radialis Longus

A

Proximal:
- lateral epicondyle, lateral surpacondylar ridge of humerus
Distal:
- Dorsal base of 2nd metacarpal

(primary wrist)

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2
Q

Extensor Carpi Radialis Brevis

A

Proximal:
- Lateral epicondyle of humerus
Distal
- Dorsal base of 3rd metacarpal

(primary wrist)

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3
Q

Extensor Carpi Ulnaris

A

Proximal
- Lateral epicondyle of humerus
Distal
- Dorsal base of 5th metacarpal

(primary wrist)

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4
Q

Palmaris Longus

A

Proximal:
- Medial epicondyle of humerus
Distal
- Flexor reintaculum/Transverse carpal ligament, palmar aponeurosis

(primary wrist)

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5
Q

Flexor Carpi Radialis

A

Proximal:
- Medial epicondyle of humerus
Distal:
- Volar base of 2nd metacarpal

(primary wrist)

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6
Q

Flexor Carpi Ulnaris

A

Proximal:
- Medial epicondyle of humerus
Distal:
- Pisiform, hook of hamate, volar base of 5th metacarpal

(primary wrist)

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7
Q

Abductor Pollicis Longus

A

Proximal:
- Posterior middle ulna and radius, interosseous membrane
Distal:
- Lateral/radial base of metacarpal of thumb

(finger extrinsic muscle)

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8
Q

Extensor Pollicis Longus

A

Proximal:
- Middle posterior 1/3 ulna, interosseous membrane
Distal:
- Dorsal base of distal phalanx

(finger extrinsic muscle)

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9
Q

Extensor Pollicis Brevis

A

Proximal:
- Posterior radius, interosseous membrane
Distal
- Dorsal base of proximal phalanx of thumb

(finger extrinsic muscle)

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10
Q

Extensor Digitorum

A

Proximal:
- Lateral epicondyle
Distal:
- Along extensor mechanism of index, long, ring, small
1. ED to dorsal base proximal phalanx
2. Central slip to dorsal bode middle phalanx
3. terminal tendon to dorsal base distal phalanx

(finger extrinsic muscle)

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11
Q

Extensor Indicis

A

Proximal:
- Proximal part of lower 1/3 of ulna, interosseous membrane
Distal:
- Along extensor mechanism of index
1. EI to dorsal base proximal phalanx
2. Central slip to dorsal base middle phalanx
3. Terminal tendon to dorsal base distal phalanx

(finger extrinsic muscle)

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12
Q

Extensor Digit Minimi

A

Proximal:
- lateral epicondyle of humerus
Distal:
- Along extensor mechanism of small
1. EDM to dorsal bae proximal phalanx
2. Central slip to dorsal base proximal phalanx
3. Terminal tendon to dorsal base distal phalanx

(finger extrinsic muscle)

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13
Q

Flexor Pollicis Longus

A

Proximal:
- Middle 1/3 of anterior radius, interosseous membrane
Distal:
- Volar base of distal phalanx thumb

(finger extrinsic muscle)

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14
Q

Flexor Digitorum Superficialis

A

Proximal:
- Medial epicondyle of humerus, medial side coronoid process of ulna, oblique line of radius
Distal:
- Medial & lateral slips to volar bases of middle phalanges index, long, ring, small

(finger extrinsic muscle)

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15
Q

Flexor Digitorum Profundus

A

Proximal:
- Proximal 2/3 of anterior ulna, interosseous membrane
Distal:
- Volar bases of distal phalanges of index, long, ring, small

(finger extrinsic muscle)

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16
Q

Flexor Pollicis Brevis

A

Proximal:
- Flexor retinaculum/transvere carpal ligament, tubercle of scaphoid and trapezium
Distal:
- Lateral/radial base of proximal phalanx of thumb

(finger intrinsic muscle)

17
Q

Abductor Pollicis Brevis

A

Proximal:
- Flexor retinaculum/transverse carpal ligament, tubercles of scaphoid and trapezium
Distal:
- Lateral/radial base of proximal phalanx of thumb (lateral to Flexor Pollicis Brevis)

(finger intrinsic muscle)

18
Q

Opponens Pollicis

A

Proximal:
- Flexor retinaculum/transverse carpal ligament, tubercle of scaphoid and trapezium
Distal:
- All along lateral/radial aspect of I metacarpal

(finger intrinsic muscle)

19
Q

Adductor Pollicis

A

Proximal:
- Transverse Head: anterior aspect of Metacarpal III
- Oblique head: base metacarpals II and III
Distal:
-Anteromedial/anterioulnar base of proximal phalanx thumb

(finger intrinsic muscle)

20
Q

Flexor Digiti Minimi

A

Proximal:
- Hamate, flexor retinaculum/transverse carpal ligament
Distal:
- Medial/ulnar aspect of proximal phalanx of small

(finger intrinsic muscle)

21
Q

Abductor Digiti Minimi

A

Proximal:
-Pisiform
Distal:
-Medial/ulnar aspect of proximal phalanx of small

(finger intrinsic muscle)

22
Q

Opponens Digiti Minimi

A

Proximal:
- Hamate, flexor retinaculum/transverse carpal ligament
Distal:
- Medial/ulnar border of 5th metacarpal

23
Q

Lumbricals

A

Proximal:
-To Index & Long: FDP tendons of index and long
-To Ring & Small: FDP tendons of ring and small
Distal: Lateral/radial aspect of oblique fibers of extensor mechanisms index, long, ring, small

(finger intrinsic muscle)

24
Q

Palmar Interossei

A

Proximal:
- Anterior surface of metacarpals index, ring, and small
Distal:
- Volar bases of proximal phalanges index, ring, and small
- Oblique fibers of extensor mechanisms index, ring, small

(finger intrinsic muscle)

25
Q

Dorsal Interossei

A

Proximal:
- Adjacent sides of metacarpals between thumb, index, long, ring, small
Distal:
- Bases of proximal phalanges index, long, ring
- Oblique fibers of extensor mechanisms index, long, ring

(finger intrinsic muscle)

Anatomy Unit 2 (9 decks)

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