9 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
Axillary Nerve Shoulder ... Nerve Elbow Extension ... Hip Extension S1 Inferior ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder ... dislocations occur anteriorly ... , bony Bankart lesions ... #Radiology #XRay ... Orthopedics #Sports #MSK
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
Xrays Check ... of the humerus should ... head and neck should ... angulation in the region ... #Injuries #Xrays
Hill-Sachs Lesion on Ultrasound 

Unlike normal variant irregular bare area (arrowhead) under infraspinatus, a Hill-Sachs lesion
arrow) from prior anterior ... shoulder dislocation ... #Ultrasound #MSK ... #POCUS #Humerus ... Clinical #Comparison #XRay
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... - C6, C7, C8 Elbow ... : • Flexion - ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Neuropathy Elbow ... extension → shoulder ... finger extension → shoulder ... physicalexam #sports #msk ... #orthopedics #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Neuropathy Shoulder ... finger extension → shoulder ... external rotation → elbow ... physicalexam #sports #msk ... #orthopedics #neurology
Hill Sachs Lesion of the posterior humeral head on Ultrasound

 A Hill–Sachs lesion, or Hill–Sachs fracture,
glenoid rim when the shoulder ... is dislocated anteriorly ... Ultrasound Site - MSK ... Humerus #Ultrasound #MSK ... #Orthopedics #POCUS
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
over the left anterior ... This post will focus ... over the left anterior ... wall, a chest x-ray ... secretions and should