Table 4 Static tests summary: Displacements, valgus-malrotation of the tibial head and their corresponding crack and ultimate loads, including mean values and standard deviations (SD)
Specimen | Crack / Ultimate load [kN] | Medial displ. at crack/ ultimate load [mm] | Lateral displ. at crack/ ultimate load [mm] | valgus-malrotation at crack/ ultimate load (°) | Lateral stiffness at crack/ ultimate load [kN/mm] | Failure types |
|---|---|---|---|---|---|---|
Activmotion 1 | - / 8.9 | - / 1.3 | - / 2.5 | - / 0.6 | - / 3.6 | 2 |
Activmotion 2 | 3.7 / 7.5 | 0.7 / 2.1 | 2.6 / 5.1 | 0.9 / 1.4 | 1.4 / 1.5 | 1 and 2 |
Mean: | - / 8.2 | - / 1.7 | - / 3.8 | - / 1.0 | - / 2.6 | |
SD ±: | - / 1.0 | - / 0.4 | - / 1.3 | - / 0.4 | - / 1.1 |