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11 Cards in this Set

  • Front
  • Back
Brachioradialis
Function: Weak flexion of forearm, maximal when forearm is in midpronated position
Innervation: Radial nerve
Extensor carpi radialis longus
Function: Extend and abduct hand at wrist joint
Innervation: Radial nerve
Extensor carpi radialis brevis
Function: Extend and abduct hand at wrist joint
Innervation: Deep branch of radial nerve
Extensor digitorum
Function: extends digits 2-5 primarily at MP joints, secondarily at IP joints
Innervation: Posterior interosseous nerve, continuation of deep branch of radial nerve
Extensor digiti minimi
Function: extends digit 5 primarily at MP joint, secondarily at IP joint
Innervation: Posterior interosseous nerve, continuation of deep branch of radial nerve
Extensor carpi ulnaris
Function: extends and adducts hand at wrist joint
Innervation: Posterior interosseous nerve, continuation of deep branch of radial nerve
Supinator
Function: supinates forearm
Innervation: Deep branch of radial nerve
Abductor pollicis longus (Snuff Box)
Function: abducts thumb and extends it at carpometacarpal joint
Innervation: Posterior interosseous nerve, continuation of deep branch of radial nerve
Extensor pollicis longus (Snuff Box)
Function: extends distal phalanx of thumb at IP joint; extends MP and caropmetacarpal joints
Innervation: Posterior interosseous nerve, continuation of deep branch of radial nerve
Extensor pollicis brevis (Snuff Box)
Function: extends proximal phalanx of thumb at MP joint; extends carpometacarpal joint
Innervation: Posterior interosseous nerve, continuation of deep branch of radial nerve
Extensor indicis
Function: extends digit 2; helps extend hand at wrist
Innervation: Posterior interosseous nerve, continuation of deep branch of radial nerve