Skip to main content

Advertisement

Table 2 Static torsion testing

From: A new lumbar posterior fixation system, the memory metal spinal system: an in-vitro mechanical evaluation

MOSS Miami
Specimen Torsional stiffness (Nm/deg.) 2% yield torque (Nm) Peak torque (Nm)
1 1.85 20.77 25.57
2 1.77 18.62 24.83
3 1.95 20.71 25.92
4 1.89 19.75 25.55
5 1.94 19.11 25.56
Mean: 1.85 19.78 25.49
SD: 0.074 0.955 0.397
Memory Metal Spinal System
Specimen Torsional stiffness (Nm/deg.) 2% yield torque (Nm) Peak torque (Nm)
1 2.38 61.28 74.16
2 2.59 61.66 76.46
3 2.53 65.53 76.17
4 2.63 65.14 77.81
5 2.48 66.07 77.74
Mean: 2.52 63.94 76.47
SD: 0.098 2.280 1.487