12 results
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... muscle, tendon, ligaments ... #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
shoulder instability ... Differential diagnosis ... GAGL): "Reverse J sign ... clinical #Radiology #diagnosis ... #msk
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 ... Hip Extension S1 Inferior ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
shearing injury -> Ligaments ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
elbow x-ray review alignment ... sail sign or posterior ... can't make A-OK sign ... Radiology #XRay #Diagnosis ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... "Terry Thomas" sign ... scapholunate interosseous ligament ... ("Terry Thomas sign ... #Sports #MSK
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... The "double PCL sign ... Meniscofemoral ligament ... BucketHandle #Tear #knee ... #msk
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
elbow x-ray review alignment ... sail sign or posterior ... II-IV, pending orthopedic ... Radiology #XRay #Diagnosis ... #MSK
Medial Knee Intra-articular Corticosteroid Injection 

Injection of medial knee with intra-articular steroid. Find the inferior part
Find the inferior ... are where you should ... physicalexam #procedure #msk ... #orthopedics #sports ... #rheumatology
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
of hands/feet, knees ... , shoulders Signs ... narrowing) • Ultrasound ... DIAGNOSIS based ... #management #rheumatology