Tibia/Fibula, Proximal, extra-articular fracture, avulsion	0,29% of the total 1,50% of the tibia 6,03% of the segment

16 fractures 10,1% group 56%M, 44%F

33 fractures 20,9% group 84%M, 16%F

109 fractures 69,9% group 54%M, 46%F

Of the fibular head

Of the tibial tuberosity

Of the cruciate insertion

	These are extra-articular fractures of the proximal tibia or fibula, produced by an avulsion (traction) mechanism. Tha subgroup .1 corresponds to the fibular head, the .2 to the tibial tuberosity and the .3 to the tibial spines.				Ref. Manual of Internal Fixation: 184 - 187. 554 - 555. 568 - 573. Surgeon. JG, JM, CS, LO.
	The fibular head avulsion fracture is fixed by tension band wiring assembled over two Kirschner wires, bent 180º at their proximal end and distally engaging the medial cortex of the fibula. The avulsion fracture of the tibial tuberosity is fixed by two screws with an interfragmentary compression effect. The ascending direction of the proximal screw enhances		the neutralization of the great traction force exerted by the patellar tendon. The avulsion fractures of the cruciate insertion on the tibial spines are fixed by two 4 mm cancellous screws. Fixation of the posterior cruciate tibial spine requires a posterior approach.

		preoperative preoperative + 6 months + 6 months

		preoperative preoperative + 6 months + 6 months

		preoperative preoperative + 2 years + 2 years

		preoperative preoperative + 2 years + 2 years

		preoperative preoperative + 2 years + 2 years