Figure 3From: Modification of elastic stable intramedullary nailing with a 3rd nail in a femoral spiral fracture model – results of biomechanical testing and a prospective clinical study Torsional testing of a Sawbone® with a spiral fracture. The torsion tests were undertaken with two angular encoders at an angular speed of 20°/min; torsion was limited to 10°.Back to article page