11 results
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
Spinal Cord Injury ... by Nerve Root Levels ... Respiration None C5 Radial ... Abduction None ... differential #diagnosis #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... nerve in the radial ... spared in this injury ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... fracture, median nerve ... reduction using ... Colles #Distal #Radiology ... #Orthopedics #MSK
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
Flexion and adduction ... indicating cervical injury ... #video #physicalexam ... #msk #orthopedics ... #neurology #sports
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... fracture, median nerve ... injury • ED ... emergent reduction ... Wrist #Carpal #Radiology
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... reduction; Complex ... Posterior long arm ... Dislocation #Posterior #Radiology ... Orthopedics #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... posterior interosseous nerve ... syndrome, ligamentous injury ... Posterior long arm ... Forearm #Ulnar #Radiology
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... reduction • Splint ... Dislocation #IPJoint #Radiology ... Diagnosis #Management #Hand ... #Orthopedics #MSK
Thigh adductor reflex

Researched with the patient seated (also in the supine position) by tapping the adductor
interposition of the finger ... normal response is adduction ... internal obturator nerve ... and integrated ... #neurology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
SPONTANEOUS REDUCTION ... Neurologic deficit ... Neurologic injuries ... #msk #clinical ... #video #nsfw