31 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Anterior Interosseous ... Peripheral Nerve ... #clinical #video ... #msk #sports #neurology ... #orthopedics #Hand
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 ... Flexion Biceps ... L2 Anterior Medial ... differential #diagnosis #Neurology
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
Nerve Injury ... compromise of anterior ... #Injury #Finger ... #Hand #PhysicalExam ... #sports #msk #orthopedics
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
sail sign or posterior ... onto outstretched hand ... interosseous nerve ... brachial artery injury ... #MSK
The inverted or paradoxical triceps reflex consists of flexion of the elbow in response to percussion
reflex consists ... flexion of the elbow ... reflex is injured ... of the seventh and ... #video #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
clumsiness in hands ... rectal reflex. ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
sail sign or posterior ... onto outstretched hand ... II-IV, pending orthopedic ... Diagnosis #Management #Orthopedics ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... , neuropraxia (anterior ... interosseous nerve ... can't make A-OK sign ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... , T1 (median) Reflexes ... - C7, C8 • Biceps ... spared in this injury ... Anterior Shoulder
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
(finger flexor reflex ... indicating cervical injury ... #video #physicalexam ... #msk #orthopedics ... #neurology #sports