Muscles of the Anterior Forearm Flashcards
What categories are the muscles of the anterior forearm split into?
Superficial, Intermediate, Deep
What do the muscles in the anterior compartment of the forearm do?
In general, produce flexion at the wrist and fingers, and pronation
What are the superficial muscles of the anterior forearm?
Flexor carpi ulnaris
Palmaris longus
Flexor carpi radialis
Pronator teres
What do all the muscles of the superficial compartment of the anterior forearm originate from?
A common tendon, which arises from the medial epicondyle of the humerus
What does the flexor carpi ulnaris have?
A humeral and ulnar head
What is the innervation of the FCU?
Ulnar nerve (C7, C8)
What % of the population is the palmaris longus absent in?
15%
What is the innervation of the palmaris longus?
Median nerve (C7, C8)
What is the arterial supply of the palmaris longus?
Ulnar artery
What is the function of the palmaris longus?
Flexes hand at wrist
Tenses palmar aponeurosis
What is the innervation of the FCR?
Median nerve (C6, C7)
What is the arterial supply of the FCR?
Ulnar artery
What is the action of the FCR?
Flexes and abducts hand (at wrist)
What does the lateral border of the pronator teres form?
The medial border of the cubital fossa
What does the pronator teres have?
An ulnar head and a humeral head
What is the innervation of the pronator teres?
Median nerve (C6, C7)