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?

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?

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
How is the Pronator Quadratus described?
A Square Shaped Muscle
26
Where is the Pronator Quadratus located?
Distal 1/4 of the Forearm
27
Where is the Pronator Quadratus located, in relation to the Tendons of the Flexor Digitorum Profundus?
Deep
28
Where is the Pronator Quadratus located, in relation to the Tendons of the Flexor Pollicis Longus?
Deep
29
Where does the Pronator Quadratus Originate from?
Anterior Surface of the Ulna
30
Where does the Pronator Quadratus Attach to Distally?
Anterior Surface of the Radius
31
What is the function of the Pronator Quadratus?
Pronation of the Forearm
32
What si the innervation of the Pronator Quadratus?
Anterior Interosseous Branch of the Median Nerve