Lecture 11: Muscles of the Anterior Forearm Flashcards

1
Q

How many muscle compartments is the forearm divided into and what is it divided by?

A

2 compartments divided by the interosseous membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the superficial muscles of the anterior forearm?

A

Superficial Layer

  • Pronator Teres
  • Flexor Carpi Radialis
  • Palmaris Longus
  • Flexor Carpi Ulnaris
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the middle muscles of the anterior forearm?

A

Middle Layer:

- Flexor Digitorum Superficialis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the deep muscles of the anterior forearm?

A

Deep Layer:

  • Flexor Digitorum Profundus
  • Flexor Pollicis Longus
  • Pronator Quadratus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where do many of the anterior forearm muscles originate?

A

From the medial epicondyle of the humerus, thus we refer to that bony landmark as the “common flexor origin”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What do the following terms mean?

  • Teres
  • Carpus
  • Profundus
  • Pollicis
  • Quadratus
A
  • Teres = cylindrical, tube-shaped
  • Carpus = wrist
  • Profundus = deep
  • Pollicis = thumb
  • Quadratus = square-shaped, 4-sided
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What does vestigial mean?

A

Organ or part of the body that has become absent and/or functionless in the course of evolution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the pisiform?

A

Sesamoid bone formed within the tendon of flexor carpi ulnaris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The concavity of the carpus is due to which bony landmarks?

A
  • Tubercle of the scaphoid
  • Tubercle of the trapezium
  • Pisiform
  • Hook of hamate
How well did you know this?
1
Not at all
2
3
4
5
Perfectly