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Forearm musculature
Forearm musculature PTA
Question | Answer |
---|---|
Brachioradialis | ORIGIN:lateral supracondylar ridge of humerus. INSERTION:radial styloid process. NERVE:radial. ACTION:flexes forearm. |
Pronator Teres | ORIGIN:medial epicondyle and supra condylar ridge. INSERTION:1\2 down lateral radius. NERVE:median. ACTION:pronates and flexes forearm at elbow. |
Pronator Quadratus | ORIGIN:distal medial ulna. INSERTION:distal lateral radius. NERVE:anterior interosseous. ACTION:pronation of forearm and hand. |
Supinator | ORIGIN:lateral epicondyle of humerus.INSERTION:upper 1/2 lateral, posterior radius.NERVE: posterior deep radial. ACTION: supinates the forearm and hand. |
Flexor Carpi Radialis | ORIGIN:medial epicondyle of humerus. INSERTION:2nd and 3rd metacarpal. NERVE: median. ACTION:flexes and abducts hand at wrist. |
Flexor Carpi Ulnaris | ORIGIN:medial epicondyle of humerus. INSERTION: pisiform, hamate, 5th metacarpal. NERVE:ulnar. ACTION:flexes and adducts hand at wrist. |
Palmaris Longus | ORIGIN: medial epicondyle of humerus. INSERTION:palmer aponeurosis and flexor retinaculum. NERVE:median. ACTION:flexes hand at wrist and tenses palmar aponeurosis. |
Flexor Digitorum Superficialis | ORIGIN:medial epicondyle of humerus. INSERTION:medial 4 digits. NERVE:median. ACTION:flexes middle and proximal phalanges, hand at wrist and forearm at elbow. |
Flexor Digitorum Profundus. | ORIGIN:ulna, interosseous membrane. INSERTION: medial 4 digits(distal parts).NERVE:median(lateral 2 digits),ulnar(median 2 digits). ACTION:flexor of the wrist and interphalangel joints. |
Flexor Pollicus Longus | ORIGIN: radius. INSERTION: thumb. NERVE:anterior deep median. ACTION: flexes thumb and if fixed, the wrist. |
Extensor Carpi Radialis Longus. | ORIGIN:lateral condyle and supracondylar ridge.INSERTION:2nd metacarpal.NERVE:radial. ACTION: extends wrist and abducts hand at wrist. |
Extensor Carpi Radialis Brevis | ORIGIN:lateral epicondyle of humerus.INSERTION:3rd metacarpal. NERVE:posterior inter deep radial. ACTION:Extends and abducts hand at wrist. |
Extensor Carpi Ulnaris | ORIGIN:lateral epicondyle of humerus. INSERTION: 5th metacarpal. NERVE:posterior inter deep radial. ACTION:extends and adducts hand at wrist. |
Extensor Digitorum | ORIGIN:lateral epicondyle of humerus. INSERTION:extension expansion hood of medial 4 digits. NERVE: posterior inter deep radial. ACTION:extends wrist and fingers. |
Extensor Digiti Minimi | ORIGIN:lateral epicondyle of humerus. INSERTION:extension expansion hood of little finger. NERVE:posterior inter deep radial. ACTION:extends pinky finger. |
Abductor Pollicus Longus | ORIGIN: posterior radius and ulna. INSERTION:radial side of first metacarpal. NERVE:posterior inter deep radial. ACTION:Abducts thumb. |