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MSAK 2 - Forearm & Hand > Forearm Flexors > Flashcards

Forearm Flexors Flashcards

1
Q

Flexor digitorum superficialis - Origin

A

Humeroulnar head:

  1. Medial epicondyle of humerus via. Common flexor tendon
  2. Coronoid process of ulna

Radial head:
1. Proximal 1/2 of anterior shaft of radius (distal to radial tuberosity)

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2
Q

Flexor digitorum superficialis - insertion

A

Anterior surface of adjacent sides of middle phalanges of fingers 2-5

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3
Q

Flexor digitorum superficialis - actions

A
  1. Flexion of fingers 2-5 at MCP and PIP joints
  2. Flexion of hand at wrist joint
  3. Flexion of forearm at elbow joint
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4
Q

Flexor digitorum superficialis - innervation

A

Median nerve

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5
Q

Flexor digitorum superficialis - arterial supply

A

Ulnar and radial arteries

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6
Q

Flexor digitorum profunds - origin

A
  1. Medial anterior surface of proximal 1/2 of ulna

2. Interosseous membrane

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7
Q

Flexor digitorum profunds - insertion

A

Anterior surface of distal phalanges of fingers 2-5

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8
Q

Flexor digitorum profundus - actions

A
  1. Flexion of fingers 2-5 at MCP, PIP and DIP joints

2. Flexion of hand at wrist joint

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9
Q

Flexor digitorum profundus - innervation

A

Median and ulnar nerves

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10
Q

Flexor digitorum profundus - arterial supply

A

Ulnar, radial and interosseous arteries

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11
Q

Flexor pollicis longus - origin

A
  1. Anterior surface of radius
  2. Interosseous membrane
  3. Medial epicondyle of humerus
  4. Coronoid process of ulna
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12
Q

Flexor pollicis longus - insertion

A

Anterior aspect of base of distal phalanx of thumb

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13
Q

Flexor pollicis longus - actions

A
  1. Flexion of thumb at CMC, MCP and IP joints
  2. Flexion of hand at wrist joint
  3. Radial deviation of hand at wrist joint
  4. Flexion of forearm at elbow joint
  5. Pronation of forearm at radioulnar joint
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14
Q

Flexor pollicis longus - innervation

A

Median nerve

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15
Q

Flexor pollicis longus - arterial supply

A

Radial and anterior interosseous arteries

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16
Q

Palmaris longus - origin

A

Medial epicondyle of humer via. Common flexor tendon

17
Q

Palmaris longus - insertion

A
  1. Palmar aponerosis

2. Flexor returnaculum

18
Q

Palmaris longus - actions

A
  1. Flexion of hand at wrist joint
  2. Ulnar deviation of hand at wrist joint
  3. Radial deviation of hand at wrist joint
  4. Flexion of forearm at elbow joint
  5. Pronation of forearm at radioulnar joint
  6. Wrinkling of skin of palm
19
Q

Palmaris longus - innervation

A

Median nerve

20
Q

Palmaris longus - arterial supply

A

Ulnar artery

21
Q

Pronator quadratus - origin

A

Anterior distal 1/4 of ulna

22
Q

Pronator quadratus - insertion

A

Anterior distal 1/4 of radius

23
Q

Pronator quadratus - action

A

Pronation of forearm at radioulnar joint

24
Q

Pronator quadratus - arterial supply

A

Anterior interosseous artery

MSAK 2 - Forearm & Hand (4 decks)

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