14 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
Shoulder Adduction ... Elbow Flexion ... Elbow Extension ... Hip Extension S1 Inferior ... #MuscleGroups #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder ... injuries: Axillary nerve ... , bony Bankart lesions ... #Radiology #XRay ... Orthopedics #Sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... Shoulder Dislocation ... on axillary x-ray ... Structural damage to nerves ... signs #symptoms #msk
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
x-ray review alignment ... identified but anterior ... interosseous nerve ... Humerus #Radiology #XRay ... #Orthopedics #MSK
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... Neuropathy Elbow ... extension → shoulder ... finger extension → shoulder ... physicalexam #sports #msk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... - C6, C7, C8 Elbow ... to the radial nerve ... in the median nerve ... Anterior Shoulder
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Median Nerve Tension ... Neuropathy Shoulder ... finger extension → shoulder ... external rotation → elbow ... physicalexam #sports #msk
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... , neuropraxia (anterior ... interosseous nerve ... Posterior #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