3.1.1. Superficial Muscles of the Anterior Forearm Flashcards Preview

MBChB - Y3 - MSK Upper Limb Anatomy > 3.1.1. Superficial Muscles of the Anterior Forearm > Flashcards

Flashcards in 3.1.1. Superficial Muscles of the Anterior Forearm Deck (22)
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1
Q

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

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

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

A
  1. Flexor Carpi Ulnaris
  2. Palmaris Longus
  3. Flexor Carpi Radialis
  4. Pronator Teres
4
Q
  1. Where do all of the Superficial Muscles of the Anterior Forearm Originate?
  2. Where is this attached to?
A
  1. Common Flexor Tendon

2. Medial Epicondyle of the Humerus

5
Q

Which Superficial Muscles, of the Anterior Compartment of the Forearm, has another Origin?

A
  1. Flexor Carpi Ulnaris

2. Pronator Teres

6
Q

Where is the Long (additional) Origin of the Flexor Carpi Ulnaris?

A

Ulna

7
Q

Where does the Flexor Carpi Ulnaris attach Distally?

A

It passes into the Wrist and attaches to the Pisiform Carpal Bone

8
Q

What are the functions of the Flexor Carpi Ulnaris?

A
  1. Flexion of the Wrist

2. Adduction of the Wrist

9
Q

What is the innervation of the Flexor Carpi Ulnaris?

A

Ulnar Nerve

10
Q

Where does the Palmaris Longus attach Distally?

A

Flexor Retinaculum of the Wrist

11
Q

What is the function of the Palmaris Longus?

A

Flexion of the Wrist

12
Q

What is the innervation of the Palmaris Longus?

A

Median Nerve

13
Q

What is Clinically Significant about the Palmaris Longus?

A

It is Absent in 15% of People

14
Q

What is located immediately under the underneath the Palmaris Longus?

A

Median Nerve - Just Distal to the Wrist, if you Reflect Back the Palmaris Longus

15
Q

Where does the Flexor Carpi Radialis attach Distally?

A
  1. Base of Metacarpal II

2. Base of Metacarpal III

16
Q

What are the functions of the Flexor Carpi Radialis?

A
  1. Flexion of the Wrist

2. Abduction of the Wrist

17
Q

What is the innervation of the Flexor Carpi Radialis?

A

Median Nerve

18
Q

Where is the Long (additional) Origin of the Pronator Teres?

A

Coronoid Process of the Ulna

19
Q

Where does the Pronator Teres attach Distally?

A

The Lateral Mid-Shaft of the Radius

20
Q

What is the function of the Pronator Teres?

A

Pronation of the Forearm

21
Q

What is the innervation of the Pronator Teres?

A

Median Nerve

22
Q

When you flex your wrist, where can you see the Palmaris Longus Tendon?

A

Distal 1/3 of the Forearm

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