16 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Anterior Interosseous ... Peripheral Nerve ... #clinical #video ... #neurology #physicalexam ... #msk #sports #neurology
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 ... L2 Anterior Medial ... NerveRoots #Levels #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
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... The median nerve ... #Reflex #Positive ... Abnormal #clinical #video ... #neurology #PhysicalExam
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... gait, strength, reflexes ... ligament (near anterior ... MeralgiaParesthetica #MSK ... #diagnosis #signs
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... Differential diagnosis ... capsuloligamentous injury ... GAGL): "Reverse J sign ... #msk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... spared in this injury ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
sail sign or posterior ... interosseous nerve ... brachial artery injury ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... #diagnosis #lower ... #extremity #msk ... #physicalexam
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... Diagnosis Framework ... posterior chambers, nerves ... trauma • Chemical injury ... Questions to Ask