MSK Workbook 4 Flashcards
Name the 3 muscles that extend and abduct of adduct the wrist joint
Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor carpi ulnaris
What muscle causes radial deviation
Flexor carpi radialis
Name the 3 muscles that extend the medial 4 digits
Extensor digitorum
Extensor indicis
Extensor digit minimi
Name the muscles that extend or abduct the thumb
Abductor pollicis longus
Extensor pollicis brevis
Extensor pollicis longus
What is the action and innervation of the extensor digitorum
Extend medial 4 digits at MCP joint
Deep Motor Branch of the Radial Nerve
What is the action and innervation of the extensor carpi radialis brevis
Extension of wrist
Radial deviation
Deep motor branch of radial nerve
What is the action and nervation of the extensor carpi radialis brevis
Extension of wrist
Radial deviation
Deep motor branch of radial nerve
What is the action and innervation of the brachioradialis
Extension of elbow
Deep motor branch of the radial nerve
What is the action and innervation of the supinator
Supination
Deep motor branch of the radial nerve
What is the action and innervation of the extensor digit minimi
Extends 5th finger at MP joint
Deep motor branch of the radial nerve
What is the function of the extensor retinaculum
Provides stability and a tunnel for the extensor tendons
Where does the basilic vein lie
Medially
Where does the cephalic vein lie
Laterally
What is the action and innervation of the extensor pollicis longus
Extension of thumb (DIPG)
Deep motor branch of radial nerve (C7,8)
What is the action of extensor pollicis brevis
Extension of thumb (proximal phalanx)
Deep motor branch of radial nerve (C7,8)
