43 results
ANKLE FRACTURES: Lauge-Hansen Classification 
- Describes position of foot and mechanism of injury. Fx
progresses from Stage
: Lauge-Hansen Classification ... injury: * ATFL ligament ... fx (or deltoid ligament ... tear) #Diagnosis ... #Orthopedics #Ankle
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Orthopedic Essentials ... Trauma and Spine Classification ... capsule DENIS CLASSIFICATION ... Trauma #Spine #Classification ... #Orthopedics #diagnosis
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
cause of anterior shoulder ... Differential diagnosis ... #shoulder #clinical ... #mri #clinical ... #Radiology #diagnosis
Orthopedic Fracture Classification - Upper Limbs
Neer Classification of Proximal Humeral head Fractures:
 • 1-part
 • 2-part:
Orthopedic Fracture ... Classification ... Upper Limbs Neer Classification ... #Upper #Limbs #Orthopedics ... #diagnosis
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
• Claw Hand - Ulnar ... Injuries #Anatomy #Differential ... #Diagnosis #MSK ... #Orthopedics
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
thumb injury to ulnar ... collateral ligament ... Scapholunate ligament ... Radiology #Wrist #differential ... #diagnosis
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... muscle, tendon, ligaments ... muscles, tendons, ligaments ... #Dislocation #Diagnosis ... symptoms #msk #orthopedics
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
Innervation of Muscles Shoulder ... Axillary Nerve Shoulder ... Fingers Abduction T1 Ulnar ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
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 ... • Differentiate ... #diagnosis #causes
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
hallucis longus Differential ... diagnosis for similar ... Posterior syndesmotic ligament ... findings and torn ligament ... clinical #Radiology #diagnosis