3.1.1. Superficial Muscles of the Anterior Forearm Flashcards
What are the Categories of the Muscles of the Anterior Compartment of the Forearm?
- Superficial
- Intermediate
- Deep
What are the General Actions of the Muscles of the Anterior Compartment of the Forearm?
- Flexors of the Wrist
- Flexors of the Fingers
- Pronators of the Forearm
What are the Superficial Muscles of the Anterior Compartment of the Forearm?
- Flexor Carpi Ulnaris
- Palmaris Longus
- Flexor Carpi Radialis
- Pronator Teres
- Where do all of the Superficial Muscles of the Anterior Forearm Originate?
- Where is this attached to?
- Common Flexor Tendon
2. Medial Epicondyle of the Humerus
Which Superficial Muscles, of the Anterior Compartment of the Forearm, has another Origin?
- Flexor Carpi Ulnaris
2. Pronator Teres
Where is the Long (additional) Origin of the Flexor Carpi Ulnaris?
Ulna
Where does the Flexor Carpi Ulnaris attach Distally?
It passes into the Wrist and attaches to the Pisiform Carpal Bone
What are the functions of the Flexor Carpi Ulnaris?
- Flexion of the Wrist
2. Adduction of the Wrist
What is the innervation of the Flexor Carpi Ulnaris?
Ulnar Nerve
Where does the Palmaris Longus attach Distally?
Flexor Retinaculum of the Wrist
What is the function of the Palmaris Longus?
Flexion of the Wrist
What is the innervation of the Palmaris Longus?
Median Nerve
What is Clinically Significant about the Palmaris Longus?
It is Absent in 15% of People
What is located immediately under the underneath the Palmaris Longus?
Median Nerve - Just Distal to the Wrist, if you Reflect Back the Palmaris Longus
Where does the Flexor Carpi Radialis attach Distally?
- Base of Metacarpal II
2. Base of Metacarpal III
What are the functions of the Flexor Carpi Radialis?
- Flexion of the Wrist
2. Abduction of the Wrist
What is the innervation of the Flexor Carpi Radialis?
Median Nerve
Where is the Long (additional) Origin of the Pronator Teres?
Coronoid Process of the Ulna
Where does the Pronator Teres attach Distally?
The Lateral Mid-Shaft of the Radius
What is the function of the Pronator Teres?
Pronation of the Forearm
What is the innervation of the Pronator Teres?
Median Nerve
When you flex your wrist, where can you see the Palmaris Longus Tendon?
Distal 1/3 of the Forearm