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KP 211 > Intermediate Layer of Forearm flexors > Flashcards

Intermediate Layer of Forearm flexors Flashcards

1
Q

How many muscles?

What are they?

A

4 muscles:

  • Flexor Digitorum superficialis
  • Flexor digitorum profundus
  • Flexor pollicis longus
  • Pronator Quadratus
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2
Q

Nerves that innervate the intermediate layer:

A

Ulnar
Musculocutaneous
Median
Radial

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3
Q

What is the cubital fossa?

A

Triangular depression on the anterior surface of the elbow

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4
Q

Boundary of the cubital fossa:
Superiorly?
Medially?
Laterally?

A

Superiorly: Imaginary line connecting the medial and lateral epicondyles
Medially: Pronator teres
Laterally: The brachioradialis

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5
Q

Floor of cubital fossa?

A

Formed by the brachialis and the supinator muscles

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6
Q

Roof of cubital fossa?

Reinforced by?

A
  • Formed by the continuity of brachial and antebrachial fascia
  • Biciptal aponeurosis, subcutaneous tissue and skin
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7
Q

Flexor digitorum profundus (photo 4) origin

A

Proximal 3/4s of medial and anterior surfaces of ulnar and interosseous membrane

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8
Q

Flexor digitorum profundus (photo 4) insertion

A

Bases of distal phalanges and medial 4 digits

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9
Q

Flexor digitorum profundus (photo 4) innervation

A

Medial part: ulnar nerve

Lateral part: Median nerve

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10
Q

Flexor digitorum profundus (photo 4) blood supply

A

Anterior interosseous nerve

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11
Q

Flexor pollicis longus (photo 4) origin

A

Anterior surface of the radius and interosseous membrane

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12
Q

Flexor pollicis longus (photo 4) insertion

A

Base of distal phalanx at 1st digit

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13
Q

Flexor pollicis longus (photo 4) innervation and blood supply

A

Anterior interosseous nerve and artery

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14
Q

Pronator Quadratus (photo 4) origin

A

Distal 4th of the anterior surface of the ulna

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15
Q

Pronator Quadratus (photo 4) action

A

Pronation of forearm

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16
Q

Pronator Quadratus (photo 4) insertion

A

Distal 4th of anterior surface of the radius

17
Q

Pronator Quadratus (photo 4) innervation and blood supply

A

Anterior interosseous nerve, and artery

18
Q

Flexor pollicis longus (photo 4) action

A

Flexion of interphalangeal joints of 1st digit

KP 211 (9 decks)

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