Question | Answer |
Brachialis Origin | Distal 1/2 of the Anterior shaft of the Humerus |
Brachialis Insertion | Ulnar Tuberosity |
Brachialis Action | Flex the Forearm |
Brachialis Innervation | Musculocutaneous N. C5-7 |
Pronator Teres Origin | Humeral Head: Medial epicondyle of the Humerus via the Common Flexor Tendon
Ulnar Head: Coronoid process of the Ulna |
Pronator Teres Insertion | Lateral midshft of the radius |
Pronator Teres Action | Pronate the Forearm and forearm Flextion |
Pronator Teres Innervation | Median N. C6,7 |
Flexor Carpi Radialis Origin | Medial Epicondyle of the Humerus via the Common Flexor Tendon |
Flexor Carpi Radialis Insertion | 2nd and 3rd metacarpals |
Flexor Carpi Radialis Action | Flexes the hand at the wrist, Radially Deviates, Flexes the Forearm and Elbow jt. |
Flexor Carpi Radialis Innervation | Medial N. C6, 7 |
Palmaris Longus Origin | Medial Epicondyle via the Common Flexor Tendon |
Palmaris Longus Insertion | Palm of the Hand- the Palmar aponeurosis and the flexor retinaculum |
Palmaris Longus Action | Flex the hand, Flex the Forearm |
Palmaris Longus Innervation | Medial N. C7, 8 |
Flexor Carpi Ulnaris Origin | Humeral Head:Medial epicondyle via CFT
Ulnar Head: Olecranon |
Flexot Carpi Ulnaris Insertion | pisiform, hamate, 5th metacarpal |
Flexor Carpi Ulnaris Actions | Flex the hand, Ulnar deviates, Flex the Forearm |
Flexor Carpi Ulnaris Innervation | Ulnar N. C 7,8 |
Flexor Digitorum Profundus Origin | proximal 1/2 of ulna, interosseus membrane |
Flexor Digitorum Profundus Insertion | Anterior Surfaces of the distal phalanges of Finger 2-5 |
Flexor Digitorum Profundus Action | Flexes Finger 2-5 at the Metacarpophalangeal and Proximal and distal Interphalangeal Joint, Flexes the Hand at the wrist |
Flexor Digitorum Profundus Innervation | Medial-2nd and 3rd digit Ulnar 4th and 5th digit
C8, T1 |
Flexor Pollicis Longus Origin | Anterior Surface of the radius, interosseus membrane, the medial epicondyle, the coronoid process |
Flexor Pollicis Longus Insertion | Thumb base of the distal phalanx |
Flexor Pollicis Longus Action | Flex the thumb at the CMP, MCP, IP |
Flexor Pollicis Longus Innervation | Median N. C7, 8 |
Extensor Carpi Radialis Longus Origin | Lateral Supracondylar Ridge |
Extensor Carpi Radialis Longus Insertion | The posterior side of the base of the 2nd metacarpal |
Extensor Carpi Radialis Longus Action | Extend the hand, Radially Diviates |
Extensor Carpi Radiallis Longuse Innervation | Radial N. C5, 6 |
Pronator Quadratus Origin | Anterior Distal Ulna |
Pronator Quadratus Insertion | Anterior Distal Radius |
Pronator Quadratus Action | Pronates the Forearm |
Pronator Quadratus Innervation | Median N. C7,8 |
Brachioradialis Origin | Lateral Supracondylar Ridge of the Humerus |
Brachioradialis Insertion | Styloid Process of the Radius |
Brachioradialis Action | Flex the Forearm, Supinates and Pronates the Forearm |
Brachioradialis Innervation | Radial N. C 5, 6 |
Extensor Carpi Radialis Brevis Origin | Lateral Epicondyle via the Common Extensor Tendon( CET) |
Extensor Carpi Radialis Brevis Insertion | Base of the 3rd Metacarpal |
Extensor Carpi Radialis Brevis Action | Extends the Wrist, Radially Deviates |
Extensor Carpi Radialis Brevis Innervation | Radial Nerve C7,8 |
Extensor Digitorum Origin | Lateral Epicondyle of the Humerus |
Extensor Digitorum Insertion | Digits of #2-5 via extensor expansion |
Extensor Digitorum Action | Extends Finger #2-5 at the MP, PIP, and DIP jt
Extends the wrist |
Extensor Digitorum Innervation | Radial N, C7-C8 |
Extensor Digiti Minimi Origin | Lateral Epicondyle of humerus via CET, |
Extensor Digiti Minimi Insertion | 5th digit |
Extensor Digiti Minimi Action | Extends the little finger at MCP, PIP, DIP, and extends the wrist |
Extensor Digiti Minimi Innervation | Radial N. C 7,8 |
Externsor Carpi Ulnaris Origin | Lateral Epicondyle of the Humerus via the Common Extensor Tendon, and Posterior ulna |
Extensor Carpi Ulnaris Insertion | 5th Metacarpal |
Extensor Carpi Ulnaris Action | Extends the wrist, Ulnar Deviates |
Extensor Carpi Ulnaris Innervation | Radial N. C 7,8 |
Anconeus Origin | Lateral Epicondyle of the Humerus |
Anconeus Insertion | Dorsal Surface of Ulna, lateral side of the olecrannon process |
Anconeus Action | Extend the elbow |
Anconeus Innervation | Radial N. C6, 7, 8 |
Supinator Origin | Lateral Epicondyle of the Humerus and the Proximal Ulna |
Supinator Insertion | Proximal 1/3 of the Radius |
Supinator Action | Supinates the Forearm and hand |
Supinator Innervation | Radial N. C6,7 |
Abductor Pollicis Longus Origin | Posterior Radius and Ulna |
Abductor Pollicis Longus Insertion | base of the 1st metacarpal |
Abductor Pollicis Longus Action | Abducts the Thumb at the Carpometacarpal jt, Extends the Thumb at the CMP jt. |
Abductor Pollicis Longus Innervation | Radial N. C 7,8 |
Extensor Pollicis Longus Origin | Posterior Ulna |
Extensor Pollicis Longus Insertion | Thumb via the dorsal expansion |
Extensor Pollicis Longus Action | Extends the Thumb at the CMC, MP, and IP jt |
Extensor Pollicis Longus Innervation | Radial N C7-8 |
Extensor Pollicis Brevis Origin | Posterior Radius(distal 1/3) |
Extensor Pollicis Brevis Insertion | Thumb proximal phalanx |
Extensor Pollicis Brevis Action | Extends the thumb at the CMC, and MP |
Extensor Pollicis Brevis Innervation | Radial N. C7,8 |
Extensor Indicis Origin | Posterior Ulna, interosseus membrane |
Extensor Indicis Insertion | 2nd digit via extensor digitorum |
Extensor Indicis Action | Extends finger 2 at the MCP, PIP, and DIP, and wrist extention |
Extensor Indicis Innervation | Radial N. C7, 8 |
Extensor Carpi Radialis Longus Origin | Lateral Supracondylar ridge |
Extensor Carpi Radialis Longus Insertion | Post. side of base of 2nd metacarpal |
Extensor Carpi Radialis Longus Action | Extend wrist, Radial deviation |
Extensor Carpi Radialis Longus Innervation | Radial N. C5-6 |