17 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 ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
of anterior shoulder ... Differential diagnosis ... BHAGL): Avulsion fracture ... #clinical #mri ... #msk
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
predispose to other orthopedic ... common sites: hip ... , shoulder ... • XR, MRI to ... #diagnosis #causes
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Diagnosis Framework ... Intra-articulation fracture ... diagnosis #msk #
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
Case description ... surgical repair Differential ... diagnosis: • Bankart ... lesion #clinical #mri ... #msk
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... • MRI is more sensitive ... tibial tuberosity Differential ... Schlatter #Disease #Knee ... #msk
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... Case description ... Differential diagnosis ... BucketHandle #Tear #knee ... #mri #clinical
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Diagnosis Algorithm ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... #Differential # ... #Orthopedics #Causes
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
tendon (>7mm) with anterior ... Case description ... Differential diagnosis ... • Stress fracture ... Heel #clinical #mri
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
• The anterior ... Differential Diagnosis ... #degeneration #knee ... #clinical #mri ... #msk