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Forearm muscles
Bone muscule and ligaments
| Question | Answer |
|---|---|
| Triceps Brachii Long Head origin? | Infraglenoid tubercle |
| Triceps Brachii Lateral Head origin? | Proximal 1/3 of posterolateral aspect of humerus |
| Triceps Brachii Medial Head origin? | Distal 2/3 posterolateral humerus |
| Triceps Brachii Insertion? | Olecranon process of ulna |
| Triceps Brachii Action? | All heads extend elbow Long head- extension, horiz abducts and adducts shoulder |
| Triceps Brachii Innervation? | Radial nerve |
| Anconeus origin? | Posterior lateral epicondyle |
| Anconeus Insertion? | Lateral olecranon process |
| Anconeus Action? | Extension |
| Anconeus Innervation? | Radial nerve |
| Supinator Origin? | Lateral epicondyle of humerus, radial collateral ligament of elbow, annular ligament of radius, supinator crest of unla |
| Supinator Insertion? | Lateral anterior proximal radius |
| Supinator Action? | Supination |
| Supinator Innervation? | Radial nerve |
| Pronator Teres Humeral head Origin? | Common flexor tendon from medial epicondyle |
| Pronator Teres Ulnar head Origin? | Coronoid process |
| Pronator Teres Insertion? | Lateral radius |
| Pronator Teres Action? | Pronation of forearm and elbow flexion |
| Pronator Teres Innervation? | Median nerve |
| Pronator Quadratus Origin? | Distal anterior ulna |
| Pronator Quadratus insertion? | Distal anterior radius |
| Pronator Quadratus Action? | Pronation |
| Pronator Quadrants Invervation? | Median nerve |
| Brachioradialis Origin? | Proximal 2/3 of lateral supracondylar ridge |
| Brachioradialis Insertion? | Lateral side of base of styloid process of the radius |
| Brachioradialis Action? | -Flexion at elbow -Supination of the forearm |
| Brachioradialis Innervation? | Radial nerve |
| Flexor Carpi Radialis Origin? | Medial epicondyle of the Humerus |
| Flexor Carpi Radialis Insertion? | Palmar aspect of the 2nd Metacarpal |
| Flexor Carpi Radialis Action? | -Flexion at wrist -Radial deviation at wrist |
| Flexor Carpi Radialis Innervation? | Median nerve |
| Flexor Carpi Ulnaris Origin? | Common flexor tendon of the HUmerus |
| Flexor Carpi Ulnaris Insertion? | Pisiform, hook of the hamate and the 5th metacarpal |
| Flexor Carpi Ulnaris Action? | -Flexes the wrist with other flexors -Ulnar deviation |
| Flexor Carpi Ulnaris Innervation? | Ulnar Nerve |
| Palmaris Longus Origin? | Medial epicondyle of the humerus |
| Palmaris Longus Insertion? | palmar aponeurosis leading into the 2-5 metaphalanges |
| Palmaris Longus Action? | Flexes wrist |
| Palmaris Longus Innervation? | median Nerve |
| Flexor Digitorum Superficialis Origin? | Medial epicondyle of th ehumerus and the coracoid process |
| Flexor Digitorum Superficialis Insertion | Middle Phalanges 2-5 |
| Flexor Digitorum Superficialis Action | Flexes the middle proximal and at the metacarpophalangeal joint |
| Flexor Digitorum Superficialis Innervation | Median nerve |
| Flexor Digitorum Profundus Origin? | Medial 3/4 anterior surface of the ulna |
| Flexor Digitorum Profundus Insertion | Distal phalanges 2-5 digits |
| Flexor Digitorum Profundus Action | Flexes the distal phalanges at the interphalangeal joint |
| Flexor Digitorum Profundus Innervation | Median nerve (2-3 digiti) Ulnar nerve (4-5 digiti) |
| Does the Palmaris Longus go under Flexor retinaculum? | No It does not |
| Extensior Carpi Radialis Brevis Origin? | Lateral epicondyle ridge of the humerus |
| Extensior Carpi Radialis Brevis Insertion? | Base of 3rd metacarpal |
| Extensior Carpi Radialis Brevis Action? | -Extends the wrist -radial deviation |
| Extensior Carpi Radialis Brevis Innervation? | Radial nerve |
| Extensor Carpi Radialis Longus Origin? | Lateral epicondyle of the humerus |
| Extensor Carpi Radialis Longus Insertion? | Base of the 2nd metacarpal |
| Extensor Carpi Radialis Longus Action? | -Extends the wrist -Radial deviation |
| Extensor Carpi Radialis Longus Innervation? | Radial nerve |
| Extensor Digitorum Communis origin? | Lateral epicondyle of the humerus |
| Extensor Digitorum Communis Insertion? | 2-5 Medial expansion of the digits |
| Extensor Digitorum Communis Action? | -Extension at the wrist -Extends the 4 finger |
| Extensor Digitorum Communis Innervation? | Radial nerve |
| Extensor Carpi Ulnaris Origin? | Lateral epicondyle of the humerus |
| Extensor Carpi Ulnaris Insertion? | Base of the 5th Metacarpal |
| Extensor Carpi Ulnaris Action? | -Extends the wrist -Ulnar deviation |
| Extensor Carpi Ulnaris Innervation? | Radial nerve |
| Extensor pollicis brevis Origin? | Posterior radius |
| Extensor pollicis brevis Insertion? | Proximal phalanx of the thumb |
| Extensor pollicis brevis Action? | Extends and abducts the thumb |
| Extensor pollicis brevis Nerve? | -Radial Nerve |
| Extensor Digiti Minimi Origin? | Lateral epicondyle of the humerus |
| Extensor Digiti Minimi Insertion? | 5th digit (minimi) |
| Extensor Digiti Minimi Action? | Extends the 5th digit |
| Extensor Digiti Minimi Innervation? | Radial Nerve |
| What radioulnar joints supinate? | Bicep Brachii and Supinator |
| What radioulnar joints pronate? | Pronator Teres and Pronator Quadratus |
Created by:
rmart11
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