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MSK anatomy (upper limb) > 3.1.3. Deep Muscles of the Anterior Forearm > Flashcards

3.1.3. Deep Muscles of the Anterior Forearm Flashcards

1
Q

What are the Categories of the Muscles of the Anterior Compartment of the Forearm?

A
  1. Superficial
  2. Intermediate
  3. Deep
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2
Q

What are the General Actions of the Muscles of the Anterior Compartment of the Forearm?

A
  1. Flexors of the Wrist
  2. Flexors of the Fingers
  3. Pronators of the Forearm
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3
Q

How many Deep Muscles of the Anterior Compartment of the Forearm are there?

A

3

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4
Q

What are the Deep Muscles of the Anterior Compartment of the Forearm?

A
  1. Flexor Digitorum Profundus
  2. Flexor Pollicis Longus
  3. Pronator Quadratus
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5
Q

Where are the Deep Muscles of the Anterior Compartment of the Forearm located?

A
  1. Deep to the Superficial / Intermediate Muscles of the Anterior Compartment of the Forearm
  2. In contact with the Bones / Interosseous Membrane
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6
Q

What bone is the Flexor Digitorum Profundus in close relation with?

A

Ulna

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7
Q

What bone is the Flexor Pollicis Longus in close relation with?

A

Radius

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8
Q

What bone is the Pronator Quadratus in close relation with?

A
  1. Distal Ulna

2. Distal Radius

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9
Q

How is the Flexor Digitorum Profundus described?

A

A Long, Thick Muscle

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10
Q

Where is the Flexor Digitorum Profundus located?

A
  1. Deep on the Anterior Forearm
  2. Superficially on the Medial Border of the Forearm
  3. Superficially on the Posterior Forearm
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11
Q

Where does the Flexor Digitorum Profundus Originate from?

A
  1. Ulna

2. Associated Interosseous Membrane

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12
Q

What happens to the Flexor Digitorum Profundus at the Wrist Joint?

A

It Splits into 4 Tendons

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13
Q

Where do these 4 Flexor Digitorum Profundus Tendons travel?

A

Through the Carpel Tunnel towards the 4 Fingers

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14
Q

Where do the 4 Flexor Digitorum Profundus Tendons attach Distally?

A

Distal Phalanges of the 4 Fingers

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15
Q

What are the functions of the Flexor Digitorum Profundus?

A
  1. Flexion of the Distal Interphalangeal Joints
  2. Flexion of the Proximal Interphalangeal Joints
  3. Flexion of the Metacarpophalangeal Joints
  4. Flexion of the Wrist
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16
Q

How many Nerves Supply the Flexor Digitorum Profundus?

A

2

17
Q

What is the innervation of the Flexor Digitorum Profundus?

A
  1. Ulnar Nerve

2. Anterior Interosseous Branch of the Median Nerve

18
Q

Which part of the Flexor Digitorum Profundus is supplied by the Ulnar Nerve?

A

The Medial Half:

  1. The Little Finger
  2. The Ring Finger
19
Q

Which part of the Flexor Digitorum Profundus is supplied by the Anterior Interosseous Branch of the Median Nerve?

A

The Lateral Half:

  1. The Middle Finger
  2. The Index Finger
20
Q

Where is the Flexor Pollicis Longus located, in relation to Flexor Digitorum Profundus?

A

Laterally

21
Q

Where does the Flexor Pollicis Longus Originate from?

A
  1. Anterior Surface of the Radius

2. Associated Interosseous Membrane

22
Q

Where does the Flexor Pollicis Longus attach to Distally?

A

Base of the Distal Phalanx of the Thumb

23
Q

What are the functions of the Flexor Pollicis Longus?

A
  1. Flexion of the Interphalangeal Joint of the Thumb

2. Flexion of the Metacarpophalangeal Joint of the Thumb

24
Q

What is the innervation of the Flexor Pollicis Longus?

A

Anterior Interosseous Branch of the Median Nerve

25
Q

How is the Pronator Quadratus described?

A

A Square Shaped Muscle

26
Q

Where is the Pronator Quadratus located?

A

Distal 1/4 of the Forearm

27
Q

Where is the Pronator Quadratus located, in relation to the Tendons of the Flexor Digitorum Profundus?

A

Deep

28
Q

Where is the Pronator Quadratus located, in relation to the Tendons of the Flexor Pollicis Longus?

A

Deep

29
Q

Where does the Pronator Quadratus Originate from?

A

Anterior Surface of the Ulna

30
Q

Where does the Pronator Quadratus Attach to Distally?

A

Anterior Surface of the Radius

31
Q

What is the function of the Pronator Quadratus?

A

Pronation of the Forearm

32
Q

What si the innervation of the Pronator Quadratus?

A

Anterior Interosseous Branch of the Median Nerve

MSK anatomy (upper limb) (48 decks)

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