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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Femoral neck fracture combined with anterior dislocation of the femoral head: injury mechanism and proposed novel classification

Fig. 2

Comprehensive injury-mechanism-based classification system. (I)Type I: Pauwels angle is <30°, and shows no dislocation of the femoral head. (II)Type II: Pauwels angle is between 30°–50° and shows no dislocation of the femoral head. (III)Type III: Pauwels angle is >50° and shows no dislocation of the femoral head. (IV)Type IV: Pauwels angle is >50°, and is accompanied by anterior dislocation (obturator subluxation, anterior pubic dislocation, and subpubic dislocation); this is the result of only one impact. (V)Type V: Pauwels angle is >50° and accompanied by obturator dislocation of the femoral head or pelvic dislocation. This is the result of two injuries

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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