Forearm Flashcards
what muscles are found in the anterior compartment of the forearm?
Pronator teres palmaris longus flexor carpi radialis flexor digitorum superficialis flexor digitorum profundus flexor carpi ulnaris pronator quadratus
innervation of pronator teres
median nerve
innervation of palmaris longus
median nerve
innervation of flexor carpi radialis
median nerve
innervation of flexor digitorum superficialis
median nerve
innervation of flexor digitorum profundus
anterior interosseous branch of median nerve
innervation of flexor carpi ulnaris
ulnar nerve
innervation of pronator quadratus
anterior interosseous branch of median nerve
insertion of pronator teres
middle lateral surface of radius
insertion of palmaris longus
apex of palmer aponeurosis
insertion of flexor carpi radialis
anterior surface of bases of 2nd and 3rd metacarpals
insertion of flexor digitorum superficialis
sides of middle phalanges of medial 4 digits
insertion of flexor digitorum profundus
palmar surface of bases of distal phalanges of medial 4 digits
insertion of flexor carpi ulnaris
hook of hamate and base of 5th metacarpal
insertion of pronator quadratus
superficial, lower 1/4 of radius
deep, triangular area above ulnar notch
What muscles are innervated by the anterior interosseous branch of the median nerve?
Flexor Digitorum Profundus
Pronator Quadratus
What muscles are found in the posterior compartment of the forearm
extensor carpi radialis longus extensor carpi radialis brevis extensor digitorum Extensor digiti minimi extensor indicis abductor pollicis longus (brevis in hands) extensor pollicis brevis extensor pollicis longus extensor carpi ulnaris supinator
What nerve innervates the muscles of the posterior compartment of the forearm?
Posterior interosseous branch of the radial nerve
innervation of extensor carpi radialis longus
radial nerve
insertion of extensor carpi radialis longus
posterior surface of base of 2nd metacarpal
insertion of extensor carpi radialis brevis
posterior surface of 3rd metacarpal
insertion of extensor digitorum
bases of middle and terminal phalanges of medial 4 digits
insertion of extensor digiti minimi
base of middle and terminal phalanges of 5th metacarpal (little finger)
insertion of extensor indicis
middle and terminal phalanges of 2nd metacarpal (index finger)
insertion of abductor pollicis longus
lateral side of base of 1st metacarpal
insertion of extensor pollicis brevis
dorsal surface of proximal phalanx of 1st metacarpal (thumb)
insertion of extensor pollicis longus
dorsal surface of distal phalanx of 1st metacarpal (thumb)
insertion of extensor carpi ulnaris
tubercle on medial aspect of dorsal surface of base of 5th metacarpal
insertion of supinator
upper 1/3 of radius
What is the origin of: Extensor Carpi Radialis Brevis extensor digitorum extensor digiti minimi extensor carpi ulnaris supinator
lateral epicondyle of humerus
what is the origin of extensor carpi radialis longus?
lower 1/3 of lateral supracondular ridge of humerus
What is the origin of :
Extensor indicis
abductor pollicis longus
extensor pollicis longus
posterior surface of ulna
What is the origin of extensor pollicis Brevis
Posterior surface of the radius