7 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... aracteristic "claw hand ... spared in this injury ... Anterior Shoulder ... sensory #motor #arm
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
onto outstretched hand ... interosseous nerve ... brachial artery injury ... Posterior long arm ... #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 ... Posterior long arm ... Orthopedics #Sports #MSK
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... rarely follow dermatomal ... Straight Leg Raise Test ... ligament (near anterior ... MeralgiaParesthetica #MSK
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Pathophysiology: • Severe injury ... Awareness • Injury ... threat Cranial Nerves ... flexed at the elbow ... #PhysicalExam #neurology
 The following #reflexes are routinely tested, and the response elicited is graded from zero to
the examiner's hand ... the side of a nerve ... or spinal root injury ... the patient's elbow ... a pin from the periphery
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... extensors of the arms ... /or optic nerve ... Myelitis #diagnosis #management ... #neurology #differential