9 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Peripheral Nerve ... sign. ... #physicalexam #msk ... #sports #neurology ... #orthopedics #Hand
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
Elbow Flexion ... Inferior Gluteal ... Nerve Hip Abduction ... #MuscleGroups #MSK ... #Orthopedics #Neurology
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
OK Sign - Interosseous ... compromise of anterior ... OK signs are seen ... clinical #video #sports ... #msk #orthopedics
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
onto outstretched hand ... interosseous nerve ... [can't make A-OK ... sign] most common ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... interosseous nerve ... [can't make A-OK ... sign] most common ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Jerk - C7, C8 • Biceps ... aracteristic "claw hand ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Sulcus Sign on Shoulder Exam

Positive Sulcus Sign on Shoulder Examination

Downward force applied at the elbow causing
Sulcus Sign on Shoulder ... applied at the elbow ... #Sulcus #Sign #Shoulder ... clinical #video #msk ... #orthopedics #sports
Uppercut Test for Biceps Tendinitis

With the hand in a fist and the forearm supinated, and the
Uppercut Test for Biceps ... the elbow flexed ... or a pop in the anterior ... #msk #orthopedics ... #sports
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
• Bilateral signs ... , MOG-IgG test should ... /or optic nerve ... diagnosis #management #neurology ... #differential