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 ... Extension S1 Inferior ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... Orthopedics #Neurology #Diagnosis
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
(Shoulder, Elbow ... and Hip) - Diagnosis ... Hip Dislocation ... #Shoulder #Elbow ... #Hip #Diagnosis
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
J-shape." o Usually anterior ... shoulder dislocation ... Differential diagnosis ... #clinical #mri ... #msk
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
for associated avulsion ... ligaments (prevent radial ... to EDS and/or volar ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
radiocapitellar lines), fat pads ... (anterior & posterior ... dislocation, scaphoid ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... - C6, C7, C8 Elbow ... Anterior Shoulder ... Dislocation - May ... Dermatomes #Myotomes #diagnosis
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
repair Differential diagnosis ... Periosteal Sleeve Avulsion ... labrum displaces medially ... lesion #clinical #mri ... #msk
Humeral Head Growth Plate on Shoulder POCUS

A 15yo male presents with shoulder pain. Which of the
the following is his ... diagnosis based ... glenoid without anterior ... or posterior dislocation ... #POCUS #MSK #Peds
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
- MSK Radiology ... disrupted at the anterior ... injury of the knee ... #clinical #mri # ... #msk