8 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Anterior Interosseous ... Peripheral Nerve ... Injury Manifested ... OKSign #clinical #video ... #orthopedics #Hand
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
, often from vascular ... clumsiness in hands ... rectal reflex. ... symptoms #msk #orthopedics ... #neurology
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
Injury Patients ... compromise of anterior ... #Injury #Finger ... #Hand #PhysicalExam ... #sports #msk #orthopedics
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
fibres to the hand ... • Anterior interosseous ... thumb do not flex ... Anatomy #diagnosis #neurology ... #orthopedics
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
indicating cervical injury ... #clinical #hand ... #video #physicalexam ... #msk #orthopedics ... #neurology #sports
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... to the radial nerve ... spared in this injury ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... L5/S1 with an inferior ... lumbar stenosis • Vascular ... wink test - reflex ... diagnosis #causes #neurology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... Neurologic injuries ... Common peroneal nerve ... /orthopedic consult ... msk #clinical #video