26 results
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... compression of the radial ... #Radial #Nerve ... #clinical #video ... #sports #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
flexor reflex) ... #flexor #reflex ... #clinical #hand ... #physicalexam #msk ... #sports
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
Respiration None C5 Radial ... Antecubital Fossa Elbow Flexion ... Finger Flexion ... Thigh Hip Flexion ... differential #diagnosis #Neurology
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... distinguished from lower radial ... finger/wrist drop ... and pronation- Radial ... Drop #clinical #
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
Tapping the radial ... extension and wrist radial ... as the inverted radial ... #neurology #clinical ... #sports #IRR #Radial
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
Elbow Extension C7 Radial ... Wrist Extension C6 Radial ... Nerve Fingers ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
When clinically ... • Thus a PIN palsy ... involve a wrist drop ... nerve (or PIN) palsy ... Anatomy #diagnosis #neurology
“Wrist drop” deformity due to radial nerve palsy – the patient cannot extend their wrist or
“Wrist drop” deformity ... due to radial nerve ... palsy – the patient ... their wrist or fingers ... #Clinical #Photo
Boyes' Test - Flexor Digitorum Superficialis Finger Examination

Evaluate the injured finger for flexion.
Inability to flex the
Superficialis Finger ... Inability to flex ... #PhysicalExam #clinical ... #video #sports ... #msk #orthopedics