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Questions



Innervation of muscles of the upper extremity
Which of the following muscles is innervated by the median nerve
 
Muscles innervated by the ulnar nerve
Which of the following muscles is innervated by the ulnar nerve
 
Muscles innervated by the median nerve
Which of the following muscles is innervated by the median nerve
 
Nerve Injuries Affecting the Upper Extremity
A Greek female deity was gouged in the axilla by a Narwhal yesterday. She presents to your clinic today complaining of numbness in the area shaded in green in the image above. She also, as pictured, is unable to extend her arm at the elbow. Abduction at the shoulder has been spared...
 
Nerve Injuries Affecting the Upper Extremity
A Greek female deity was gouged in the axilla by a Narwhal yesterday. She presents to your clinic today complaining of numbness in the area shaded in green in the image above. She also, as pictured, is unable to extend her arm at the elbow. Abduction at the shoulder has been spared...
 
Nerve Injuries Affecting the Upper Extremity
A Greek female deity was gouged in the axilla by a Narwhal 6 weeks ago. She presents to your clinic today complaining of numbness in the area shaded in green in the image above. She also, as pictured, is unable to extend her arm at the elbow. Abduction at the shoulder has been spared...
 



Online Course Content



C6
Spinal Root: C6Muscles Innervated:    anconeus **    biceps brachii*    deltoid *    brachioradialis *    deltoid *    extensor carpi radialis longus    flexor carpi radialis **    Infraspinatous *    pronator teres **    triceps ** ***    supinator     Supraspinatus...
 
C5
Spinal Root: C5Muscles Innervated:    Supraspinatus *    Infraspinatous *    Rhomboids    biceps brachii *    brachioradialis *    deltoid   *    extensor carpi radialis longus ** Please note, that these muscles along cannot differentiate a C5 radiculopathy from a C6 radiculopathy...
 
Upper Extremity
    abductor digiti minimi    abductor pollicis brevis    anconeus    biceps brachii       brachioradialis    deltoid    extensor carpi radialis longus    extensor carpi ulnaris    extensor digitorum    extensor indicis    extensor pollicis longus    extensor...
 
Radial Motor Nerve - Recording the Extenor Indicis Proprius (EIP)
Origin:  C7-C8 roots, middle and lower trunk and posterior cord of the brachial plexus, radial nerve.Recording Site:  Extensor Indicis Proprius muscle (EIP)Reference Site:  Dorsal and medial wrist, near the styloid process of the ulnaGround:  Posterior forearmStimulation...
 
Radial Motor NCS, Recording the Extenor Digitorum Communis (EDC), stimulating at elbow (image)

 
Radial Motor Nerve - Recording the Extenor Digitorum Communis (EDC)
Origin:  C7-C8 roots, middle and lower trunk and posterior cord of the brachial plexus, radial nerve.Recording Site:  Extensor Digitorum Communis muscle (EDC)Reference Site:  Above the wristGround:  Medial forearmStimulation Sites:  Elbow and arm (below and...
 
All Muscles
Muscles:    abductor digiti minimi    abductor pollicis brevis    anconeus    biceps brachii    brachioradialis    cervical paraspinal muscles    deltoid     extensor carpi radialis longus     extensor carpi ulnaris    extensor digitorum    extensor indicis...
 
Radial Motor Nerve - Recording the Extenor Digitorum Communis (EDC)
Origin:  C7-C8 roots, middle and lower trunk and posterior cord of the brachial plexus, radial nerve.Recording Site:  Extensor Digitorum Communis muscle (EDC)Reference Site:  Above the wristGround:  Medial forearmStimulation Sites:  Elbow and arm (below and...
 
Brachioradialis
Muscle Name: brachioradialisAKA:  musculus brachioradialisAbbreviation:  Spinal Nerve Roots:    C5    C6Brachial Plexus Trunks:    upper trunkBrachial Plexus Cords:    posterior cordNamed Nerves:    radial nerveProximal Attachment: Lateral supracondylar ridge...
 
Brachioradialis (image)

 
highlighted_brachioradialis (image)

 
Brachioradialis (image)

 
Brachioradialis EMG Technique (video)

 
Posterior Cord of the Brachial Plexus
Cord: Posterior CordMuscles Innervated:    triceps    brachioradialis    extensor carpi radialis longus    supinator    extensor carpi ulnaris    extensor digitorum    extensor pollicis longus    extensor pollicis brevis    extensor indicis    anconeus    deltoid
 
Radial Nerve
Nerve: Radial NerveMuscles Innervated:    triceps    brachioradialis    extensor carpi radialis longus    supinator    extensor carpi ulnaris    extensor digitorum    extensor pollicis longus    extensor pollicis brevis    extensor indicis    anconeus
 
Upper Trunk of the Brachial Plexus
Trunk: Upper TrunkSpinal Segments:C5, C6Muscles Innervated:    pronator teres    flexor carpi radialis    triceps    brachioradialis    extensor carpi radialis longus    anconeus    biceps brachii    deltoid
 



Gallery Images



Radial Motor NCS, recording from

 
highlighted_brachioradialis