. Author manuscript; available in PMC: 2009 Oct 1.

Published in final edited form as: Osteoarthritis Cartilage. 2008 Apr 18;16(10):1220–1227. doi: 10.1016/j.joca.2008.02.020

Table 1.

List of experiments and details of testing protocols. MCA: Migrating contact area. SCA: Stationary contact area.

Experiment	Lubricant	n	Test	Duration	Load	Translation	Velocity	Lens radius
E1	PBS	6	MCA: condyle on tibia	3600s	6.3 N	±10 mm	1 mm/s	N/A
			MCA: glass lens on tibia			±10 mm		18 mm
			SCA: condyle on glass slide			±4 mm		N/A
E2	PBS	6	MCA: condyle on tibia	3600s	6.3 N	±10 mm	1 mm/s	N/A
			MCA: glass lens on tibia			±10 mm		18 mm
			SCA: glass slide on tibial plug			±4 mm		N/A
E3	PBS	6	MCA: condyle on tibia	900s	6.3 N	±10 mm	1 mm/s	N/A
	PBS	6	SCA: glass slide on tibial plug^*	7200s		±4 mm	1 mm/s^*	N/A
	SF	6	MCA: condyle on tibia	900s		±10 mm	1 mm/s	N/A
	SF	6	SCA: glass slide on tibial plug^*	7200s		±4 mm	1 mm/s^*	N/A
E4	PBS	6	MCA: condyle on tibia	4200s	6.3 N	±10 mm	0.005 mm/s	N/A
				420s			0.05 mm/s
				420s			0.5 mm/s
				420s			5 mm/s
E5	PBS	6	MCA: condyle on tibia	900s	6.3 N	±10 mm	1 mm/s	N/A
			MCA: glass lens on tibia					6.5 mm
			MCA: glass lens on tibia					13mm

Logarithmic time increments between sliding cycles