3 Muscles of the forearm Flashcards
What are the categories of muscles in the anterior compartment of the forearm?
Superficial
Intermediate
Deep
What is the general function of muscles in the anterior compartment of the forearm?
Flexors of the wrist
Flexors of the fingers
Pronation 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 the superficial muscles of the anterior compartment of the forearm originate?
Common flexor tendon on the medial epicondyle of the humerus
Which of the superficial muscles of the anterior compartment of the forearm have another origin?
Flexor carpi ulnaris - long head, ulna
Pronator teres - long head, coroniod process of ulna
Where does the flexor carpi ulnaris attach distally?
Passes into wrist and attaches to the pisiform
What are the functions of the flexor carpi ulnaris?
Flexion of the wrist
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
(absent on 15% of people)
What is the innervation of the palmaris longus?
Median nerve
What is located immediatley inder the palmaris longus?
The median nerve
Where does flexor carpi radialis attach distally?
Base of metacarpal II and III
What is the function of the flexor carpi radialis?
Flexion of the wrist
Abduction of the wrist
What is the innervation of the flexor carpi radialis?
Median nerve
