13 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... • Claw Hand - Ulnar ... Benediction - Median ... #Diagnosis #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Flexion - C6, C7 (median ... - C8 (median) ... nerve in the radial ... paraesthesia in the median
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
C7 Radial Nerve ... Wrist Extension ... C6 Radial Nerve ... Fingers Flexion C8 Median ... Abduction T1 Ulnar
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... compression of the radial ... #Drop #Radial # ... #clinical #video
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 ... Reflex L2 Anterior Medial ... Cremasteric Reflex L3 Medial ... Extension None L4 Medial
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
, triquetrum), radial ... styloid fracture, median ... nerve injury ... #Carpal #Radiology ... #MSK
Valgus Stress Test for Ulnar (Medial) Collateral Ligament Stability on Elbow Examination

Ulnar collateral ligament stability can
(Medial) Collateral ... Video via @open_michigan ... #Medial #Collateral ... PhysicalExam #clinical #video ... #sports #msk #orthopedics
Golfer’s Elbow Test

While supporting the elbow and palpating the medial epicondyle with one hand, the examiner
palpating the medial ... reproduced at the medial ... epicondylitis #medial ... #clinical #video ... #sports
Elbow Valgus Stress Test for Medial (Ulnar) Collateral Ligament Stability

While palpating the medial joint line of
Test for Medial ... palpating the medial ... #Stress #Test #Medial ... #physicalexam #sports ... #msk #orthopedics
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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variable gross wrist ... styloid fracture, median ... nerve injury, acute ... carpal tunnel syndrome ... #Orthopedics #MSK