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Forearm: Anterior Compartment
Muscles
32
Anatomy
Professional
10/19/2011

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Cards

Term
What is the origin of the pronator teres muscle?
Definition
humeral medial epicondyle and ulnar coronoid process
Term
What is the insertion of the pronator teres muscle?
Definition
lateral shaft of radius
Term
What is the innervation of the pronator teres muscle?
Definition
median nerve
Term
What is the action of the pronator teres?
Definition
pronates and flexes forearm
Term
What is the origin of flexor carpi radialis muscle?
Definition
medial epicondyle of humerus
Term
What is the insertion of the flexor carpi radialis muscle?
Definition
base of 2nd and 3rd metacarpal bones
Term
What is the innervation of the flexor carpi radialis muscle?
Definition
median nerve
Term
What is the action of the flexor carpi radialis muscle?
Definition
flexes and abducts hand at wrist
Term
What is the origin of the palmaris longus muscle?
Definition
medial epicondyle of humerus
Term
What is the insertion of the palmaris longus muscle?
Definition
palmar aponeurosis and flexor retinaculum
Term
What is the innervation of the palmaris longus muscle?
Definition
median nerve
Term
What is the action of the palmaris longus muscle?
Definition
flexes hand at wrist
Term
What is the origin of the flexor carpi ulnaris?
Definition
medial epicondyle of humerus and posterior ulna
Term
What is the insertion of the flexor carpi ulnaris?
Definition
pisiform bone, hook of hamate, and base of 5th metacarpal
Term
What is the innervation of flexor carpi ulnaris?
Definition
ulnar nerve
Term
What is the action of the flexor carpi ulnaris?
Definition
flexes and adducts hand at wrist
Term
What is the origin of the flexor digitorum superficialis muscle?
Definition
humeral medial epicondyle and ulnar coronoid process and radius
Term
What is the insertion of the flexor digitorum superficialis muscle?
Definition
middle phalanx of 2-5 fingers
Term
What is the innervation of the flexor digitorum superficialis?
Definition
median nerve
Term
What is the action of the flexor digitorum superficialis muscle?
Definition
flexes middle phalanx of 2-5 fingers and hand
Term
What is the origin of the flexor digitorum profundus muscle?
Definition
anteromedial shaft of ulna
Term
What is the insertion of the flexor digitorum profundus muscle?
Definition
4 tendons into distal phalanges of 2nd-5th fingers
Term
What is the innervatoin of the flexor digitorum profundus?
Definition
Medial half - Ulnar nerve; lateral half - median nerve
Term
What is the action of the flexor digitorum profundus muscle?
Definition
flexes distal phalanx of 2nd-5th fingers
Term
What is the origin of the flexor pollicis longus muscle?
Definition
anterior shaft of radius
Term
What is the insertion of the flexor pollicis longus?
Definition
distal phalanx of thumb
Term
What is the innervation of the flexor pollicis longus?
Definition
anterior interosseous branch of median nerve
Term
What is the action of the flexor pollicis longus muscle?
Definition
flexes distal phalanx of thumb
Term
What is the origin of the pronator quadratus?
Definition
anterior shaft of ulna
Term
What is the insertion of pronator quadratus muscle?
Definition
anterior surface of radial shaft
Term
What is the innervation of the pronator quadratus?
Definition
anterior interosseous branch of the median nerve
Term
What is the action of the pronator quadratus?
Definition
pronates forearm
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