31 results
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
Thoracodorsal Nerve Elbow ... Musculocutaneous Nerve Elbow ... Hip Extension S1 Inferior ... #MuscleGroups #MSK ... Orthopedics #Neurology #Diagnosis
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... Medial hand and elbow ... pain • + elbow ... #Diagnosis #pathophysiology ... signs #symptoms #msk
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... Overhead throwing => Abduction ... #Dislocation #Diagnosis ... signs #symptoms #msk ... #orthopedics #pathophysiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Carpal Tunnel Syndrome ... 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
review alignment (anterior ... identified but anterior ... ), compartment syndrome ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Hypokalemia - Differential ... Diagnosis Algorithm ... Increased Cell Production ... - Refeeding Syndrome ... potassium #low #pathophysiology
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
Patellofemoral Syndrome ... clinical findings • Anterior ... #pathophysiology ... #diagnosis #signs ... #symptoms #msk
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... , neuropraxia (anterior ... procedural sedation and reduction ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
Peripheral Edema - Differential ... Diagnosis Framework ... common iliac artery anteriorly ... Lower #Extremity #PhysicalExam ... #Pathophysiology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
clinical findings • Anterior ... Cord Syndrome - ... > Anterior spinal ... #diagnosis #pathophysiology ... signs #symptoms #msk