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Orthopaedic Wiki

Metatarsal & Phalangeal Fractures

1st metatarsal fractures affect medial column; greater functional impact. 5th metatarsal: distinguish avulsion (zone 1), Jones (zone 2), and diaphyseal stress (zone 3). Multiple me...

Trauma | 👁 3 | 2 weeks ago

Proximal Fibula (Maisonneuve)

Maisonneuve injury = proximal fibular fracture + syndesmotic disruption + medial injury (deltoid/medial malleolus). Mechanism: external rotation with pronation. Examine entire fibu...

Trauma | 👁 4 | 2 weeks ago

Elbow Stiffness — Release

Functional elbow arc ≈ 30–130° flexion and 50°/50° pronation–supination (Morrey). Common causes: trauma, HO, prolonged immobilization, intra‑articular fracture, infection. Initial...

General | 👁 3 | 2 weeks ago

TFCC Injuries

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 arthroscop...

General | 👁 7 | 2 weeks ago

Physeal Injuries — Salter–Harris & Ogden

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–IX). Aim...

Pediatrics | 👁 3 | 2 weeks ago

Periprosthetic Distal Femur Fracture

Lewis–Rorabeck and Su classifications guide treatment; stability of the femoral component is the key decision point. Stable TKA → fixation (locking plate or retrograde nail if inte...

Trauma | 👁 3 | 2 weeks ago

Rotator Cuff Tears — Overview

Supraspinatus most commonly torn; tears progress from partial to full‑thickness and can propagate posteriorly/anteriorly. Painful arc, night pain, and weakness on specific tests (J...

General | 👁 5 | 2 weeks ago

Shoulder Instability — Bankart/Latarjet

TUBS (Traumatic, Unidirectional, Bankart, Surgery) vs AMBRI (Atraumatic, Multidirectional, Bilateral, Rehab, Inferior capsular shift). Glenoid bone loss >20–25% → Latarjet (coracoi...

General | 👁 3 | 2 weeks ago

Patella Fractures — Tension Band Wiring

Indications: displaced transverse fractures with intact extensor. Principle: converts tensile quadriceps force into compression at fracture site. Technique: 2 parallel K-wires + fi...

Trauma | 👁 6 | 2 weeks ago

Peri-implant Fractures

Definition: fracture adjacent to fixation device or prosthesis. Differentiate peri-implant vs periprosthetic. Causes: stress risers, osteopenia, trauma. Management: depends on impl...

Trauma | 👁 3 | 2 weeks ago

Nonunion & Bone Transport — Ilizarov

Ilizarov fixator allows bone transport for segmental loss. Principle: distraction osteogenesis by gradual tension on callus. Indications: infected nonunion, bone loss, deformity co...

Trauma | 👁 6 | 2 weeks ago

Malunion Correction — Principles

Malunion = fracture healed in unacceptable alignment causing functional, cosmetic, or biomechanical issues. Decision to correct depends on symptoms, joint at risk, magnitude/plane...

Trauma | 👁 4 | 2 weeks ago