Dataset supporting the publication: Abdelgaied A, Fisher J, Jennings LM. A comparison between electromechanical and pneumatic controlled knee simulators for the investigation of wear of total knee replacements. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 2017;DOI: 10.1177/0954411917696519. Figure 1: Six station electromechanically driven knee simulator (Simulation Solutions, UK), and the controlled axes of articulation for each station Figure 2: Axial load and Flexion Extension Input Profiles Figure 3: Anterior-posterior displacement and internal-external rotation input profiles Figure 4: Input and average output (mean ± 95% CI, n=6) axial load [N] profiles from the electromechanical and pneumatic knee simulators Figure 5: Input and average output (mean ± 95% CI, n=6) anterior-posterior displacement [mm] (high kinematics) from the electromechanical and pneumatic knee simulators Figure 6: Input and average output (mean ± 95% CI, n=6) internal-external rotation angle [degrees] from the electromechanical and pneumatic knee simulators Figure 7: Input and average output (mean ± 95% CI, n=6) flexion-extension angle [degrees] from the electromechanical and pneumatic knee simulators Figure 8: Volumetric wear rates under intermediate and high kinematic conditions (mean ± 95% CI, n=6) Figure 9: Wear scars for the Sigma fixed bearing TKR after 3MC of high kinematic conditions Figure 10: Volumetric wear rates (mean ± 95% CI, n=6) under intermediate and high kinematic conditions measured from pneumatic and electromechanical knee simulators Figure 11: Wear scars for the Sigma fixed bearing TKR after 3MC of high kinematic conditions in pneumatic (a) 14 and electromechanical (b) knee simulators Input and average output kinematics.xlsx: Input and average output kinematics (mean ± 95% CI, n=6) from the electromechanical and pneumatic knee simulators Volumetric wear rates.xlsx: Volumetric wear rates (mean ± 95% CI, n=6) under intermediate and high kinematic conditions measured from pneumatic and electromechanical knee simulators Table 1: Specifications of second generation electromechanical and first generation pneumatic knee simulators