98 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... , T1 (median) Reflexes ... - C7, C8 • Biceps ... nerve in the radial ... Myotomes #diagnosis #neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Respiration None C5 Radial ... Elbow Flexion Biceps ... Elbow Extension Triceps ... differential #diagnosis #Neurology
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Innervation of Muscles Shoulder ... Shoulder Adduction ... C6 Radial Nerve ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... branches are to the triceps ... When clinically ... • Triceps branches ... #diagnosis #neurology
Inverted Triceps Reflex 
Triceps reflex testing elicited flexion rather than extension of the forearm. C7 lesion
Reflex Triceps ... reflex testing ... found on MRI - Neurology ... #Reflex #neurology ... #clinical #video
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... Nerve Palsy on ... PhysicalExam #clinical ... #orthopedics #msk ... #sports #neurology
The inverted or paradoxical triceps reflex consists of flexion of the elbow in response to percussion
or paradoxical triceps ... reflex consists ... reflex is injured ... #reflex #clinical ... #video #neurology
 The following #reflexes are routinely tested, and the response elicited is graded from zero to
and left side should ... The examiner should ... the side of a nerve ... The biceps reflex ... The triceps reflex
Vagus Nerve Schwannoma eliciting paroxysmal cough when palpated

The cough reflex is caused by stimulation of vagal
Vagus Nerve Schwannoma ... palpated The cough reflex ... #physicalexam #clinical ... #video #neurology ... #reflex
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... with the distal radius ... fracture, median nerve ... Orthopedics #Sports #MSK