Explore high-yield orthopaedic topics with structured summaries, linked cases, and integrated learning pathways.
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Comprehensive guide to orthopaedic screws covering screw anatomy and geometry, cortical and cancellous screws, lag screws and the lag technique, locking screws, cannulated screws, headless compression screws, malleolar and positional screws...
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Tarsal navicular: body, tuberosity, and stress fractures; critical for medial column length and talonavicular congruity. Cuboid: 'nutcracker' fracture from forefoot abduc...
1st metatarsal fractures affect medial column; greater functional impact. 5th metatarsal: distinguish avulsion (zone 1), Jones (zone 2), and diaphyseal stress (zone 3). M...
Maisonneuve injury = proximal fibular fracture + syndesmotic disruption + medial injury (deltoid/medial malleolus). Mechanism: external rotation with pronation. Examine e...
Functional elbow arc ≈ 30–130° flexion and 50°/50° pronation–supination (Morrey). Common causes: trauma, HO, prolonged immobilization, intra‑articular fracture, infection...
TFCC stabilizes the distal radioulnar joint and dissipates ulnar‑sided load. Palpable 'fovea sign', ulnar grind, and DRUJ shift test support diagnosis. MRI useful; wrist...
Physis has zonal architecture; hypertrophic zone is weakest and fails in most injuries. Salter–Harris I–V (Slip, Above, Lower, Through, Rammed) with Ogden’s extension (VI...
Lewis–Rorabeck and Su classifications guide treatment; stability of the femoral component is the key decision point. Stable TKA → fixation (locking plate or retrograde na...
Supraspinatus most commonly torn; tears progress from partial to full‑thickness and can propagate posteriorly/anteriorly. Painful arc, night pain, and weakness on specifi...
TUBS (Traumatic, Unidirectional, Bankart, Surgery) vs AMBRI (Atraumatic, Multidirectional, Bilateral, Rehab, Inferior capsular shift). Glenoid bone loss >20–25% → Latarje...
Indications: displaced transverse fractures with intact extensor. Principle: converts tensile quadriceps force into compression at fracture site. Technique: 2 parallel K-...
Definition: fracture adjacent to fixation device or prosthesis. Differentiate peri-implant vs periprosthetic. Causes: stress risers, osteopenia, trauma. Management: depen...
Ilizarov fixator allows bone transport for segmental loss. Principle: distraction osteogenesis by gradual tension on callus. Indications: infected nonunion, bone loss, de...
