16 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Hand - Ulnar Nerve ... InjuryHand ... #Differential #Diagnosis ... #MSK #Orthopedics
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
• Extension of wrist ... Small muscles of hand ... OK Sign - AIN (Anterior ... #Injury #UpperExtremities ... #diagnosis #neurology
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
injuries: Axillary nerve ... injury (40%, loss ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
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
Wrist Extension ... Fingers Abduction T1 Ulnar ... Tibial Nerve Knee ... #MuscleGroups #MSK ... #Diagnosis
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Anterior Interosseous ... Peripheral Nerve ... #physicalexam #msk ... #sports #neurology ... #orthopedics #Hand
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... • Due to injury ... onto outstretched hand ... #Orthopedics #Sports ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... spared in this injury ... Anterior Shoulder ... Dislocation - May ... #neurology #sensory
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
by Nerve Root Levels ... C6 Dorsal Thumb Wrist ... Flexion None T1 Ulnar ... #differential #diagnosis ... #Neurology #Spine
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... , neuropraxia (anterior ... interosseous nerve ... #Orthopedics #Sports ... #MSK