. A practical treatise on fractures and dislocations. of thetibia. 379 380 FRACTURES. tively, they are characterized by swelling in and below the knee andby sensitiveness on pressure. Of longitudinal fracture I have seen one case, a man of twenty-fiveyears. The line of fracture ran from the inner part of the outer artic-ular surface directly downward in a sagittal plane. The separation atthe upper end was about half an inch and was maintained partly by asmall fragment lodged deeply in the cleft, but even after removal ofthe latter the displacement could not be wholly reduced. The causewas a fa
. A practical treatise on fractures and dislocations. of thetibia. 379 380 FRACTURES. tively, they are characterized by swelling in and below the knee andby sensitiveness on pressure. Of longitudinal fracture I have seen one case, a man of twenty-fiveyears. The line of fracture ran from the inner part of the outer artic-ular surface directly downward in a sagittal plane. The separation atthe upper end was about half an inch and was maintained partly by asmall fragment lodged deeply in the cleft, but even after removal ofthe latter the displacement could not be wholly reduced. The causewas a fall from a ladder, but the mechanism was not known. Thejoint was so loosened that the tibia could be moved outward nearly halfan inch. Recovery took place with active flexion nearly to a rightangle and marked genu valgum. The displacement varies with the character of the fracture and thefracturing force; in a transverse fracture without comminution it isusually slight; in comminution of the upper end and in oblique frac- Fig. 228. Fig. 229. Fig. Fracture of the head of the tibia withimpaction and separation of the upperfragments.
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