Data relating to Figures 7 and 8: Anterior-posterior displacement of tibia for MRK and SAIPH and tibial rotation position for MRK and SAIPH.  128 measurements taken per cycle, the value shown is the average displacement over the duration of the 6 million cycle test.													
													
	Anterior-posterior displacement (mm)							Tibial rotation position (deg)					
Time (s)	SAIPH 1	SAIPH 2	SAIPH 3	MRK1	MRK2	MRK3		SAIPH 1	SAIPH 2	SAIPH 3	MRK1	MRK2	MRK3
0.000	0.313	0.566	-0.298	1.053	1.174	0.800		-0.556	0.355	-0.548	0.095	0.218	0.084
0.008	0.383	0.616	-0.198	1.072	1.157	0.817		-0.430	0.340	-0.461	0.070	0.144	0.052
0.016	0.518	0.709	-0.059	1.180	1.221	0.922		-0.314	0.324	-0.366	0.076	0.125	0.003
0.024	0.766	0.883	0.154	1.450	1.449	1.185		-0.214	0.309	-0.250	0.109	0.158	-0.042
0.031	1.075	1.093	0.406	1.822	1.790	1.527		-0.111	0.301	-0.109	0.154	0.214	-0.075
0.039	1.362	1.278	0.637	2.122	2.103	1.800		0.005	0.308	0.044	0.186	0.263	-0.103
0.047	1.550	1.413	0.793	2.302	2.281	1.953		0.108	0.335	0.188	0.201	0.300	-0.122
0.055	1.617	1.470	0.858	2.378	2.347	2.012		0.187	0.373	0.296	0.209	0.347	-0.125
0.063	1.616	1.475	0.862	2.401	2.356	2.029		0.237	0.412	0.364	0.217	0.424	-0.118
0.071	1.567	1.423	0.813	2.398	2.331	2.020		0.259	0.440	0.396	0.226	0.507	-0.107
0.079	1.420	1.261	0.663	2.332	2.222	1.930		0.266	0.463	0.401	0.248	0.576	-0.096
0.087	1.099	0.943	0.359	2.103	1.968	1.688		0.257	0.481	0.377	0.282	0.620	-0.088
0.094	0.692	0.561	-0.009	1.783	1.653	1.385		0.226	0.490	0.313	0.314	0.642	-0.079
0.102	0.334	0.248	-0.318	1.536	1.426	1.168		0.166	0.485	0.217	0.334	0.654	-0.079
0.110	0.081	0.052	-0.531	1.382	1.288	1.040		0.086	0.468	0.103	0.345	0.659	-0.083
0.118	-0.096	-0.073	-0.683	1.314	1.190	0.963		-0.002	0.443	-0.017	0.352	0.662	-0.085
0.126	-0.211	-0.161	-0.796	1.281	1.121	0.920		-0.088	0.410	-0.132	0.360	0.668	-0.086
0.134	-0.281	-0.221	-0.874	1.254	1.080	0.899		-0.161	0.378	-0.234	0.368	0.675	-0.088
0.142	-0.323	-0.252	-0.930	1.233	1.063	0.894		-0.207	0.357	-0.313	0.374	0.681	-0.090
0.150	-0.358	-0.272	-0.979	1.218	1.054	0.884		-0.237	0.348	-0.369	0.376	0.685	-0.091
0.157	-0.393	-0.288	-1.023	1.207	1.042	0.873		-0.261	0.345	-0.404	0.378	0.685	-0.094
0.165	-0.410	-0.296	-1.051	1.203	1.036	0.867		-0.279	0.345	-0.414	0.376	0.683	-0.097
0.173	-0.408	-0.288	-1.051	1.205	1.041	0.872		-0.296	0.347	-0.420	0.374	0.680	-0.099
0.181	-0.382	-0.258	-1.028	1.214	1.051	0.884		-0.310	0.349	-0.424	0.371	0.678	-0.101
0.189	-0.345	-0.206	-0.998	1.228	1.061	0.892		-0.322	0.359	-0.429	0.368	0.676	-0.106
0.197	-0.313	-0.161	-0.980	1.233	1.066	0.897		-0.333	0.370	-0.438	0.362	0.671	-0.111
0.205	-0.300	-0.136	-0.974	1.233	1.072	0.896		-0.344	0.374	-0.454	0.354	0.666	-0.115
0.213	-0.297	-0.125	-0.968	1.231	1.075	0.895		-0.360	0.371	-0.482	0.343	0.660	-0.120
0.220	-0.290	-0.114	-0.964	1.234	1.081	0.895		-0.382	0.368	-0.516	0.328	0.653	-0.124
0.228	-0.277	-0.099	-0.954	1.237	1.088	0.899		-0.417	0.357	-0.558	0.310	0.643	-0.129
0.236	-0.262	-0.078	-0.944	1.242	1.104	0.905		-0.468	0.339	-0.608	0.291	0.627	-0.138
0.244	-0.241	-0.052	-0.931	1.251	1.128	0.915		-0.540	0.311	-0.663	0.267	0.607	-0.147
0.252	-0.224	-0.022	-0.914	1.266	1.157	0.929		-0.630	0.277	-0.722	0.243	0.581	-0.156
0.260	-0.203	0.013	-0.898	1.295	1.190	0.951		-0.732	0.240	-0.781	0.224	0.552	-0.163
0.268	-0.177	0.055	-0.876	1.336	1.226	0.985		-0.839	0.204	-0.839	0.206	0.522	-0.169
0.276	-0.155	0.095	-0.849	1.381	1.266	1.026		-0.950	0.170	-0.894	0.189	0.489	-0.175
0.283	-0.132	0.139	-0.819	1.421	1.308	1.064		-1.060	0.140	-0.946	0.174	0.459	-0.180
0.291	-0.114	0.178	-0.788	1.457	1.346	1.096		-1.165	0.112	-0.993	0.160	0.431	-0.182
0.299	-0.097	0.219	-0.749	1.494	1.382	1.129		-1.255	0.085	-1.036	0.147	0.405	-0.184
0.307	-0.075	0.262	-0.712	1.536	1.419	1.166		-1.322	0.060	-1.073	0.135	0.381	-0.185
0.315	-0.050	0.306	-0.676	1.583	1.463	1.201		-1.363	0.039	-1.104	0.123	0.362	-0.187
0.323	-0.018	0.348	-0.635	1.628	1.505	1.231		-1.379	0.018	-1.128	0.113	0.347	-0.194
0.331	0.021	0.386	-0.593	1.668	1.542	1.257		-1.378	0.000	-1.147	0.103	0.336	-0.199
0.339	0.064	0.417	-0.551	1.706	1.573	1.291		-1.369	-0.016	-1.162	0.094	0.330	-0.201
0.346	0.113	0.449	-0.512	1.743	1.604	1.327		-1.358	-0.028	-1.174	0.086	0.321	-0.205
0.354	0.168	0.481	-0.477	1.782	1.643	1.363		-1.353	-0.042	-1.182	0.078	0.310	-0.211
0.362	0.216	0.511	-0.437	1.815	1.678	1.395		-1.355	-0.058	-1.186	0.071	0.297	-0.217
0.370	0.262	0.542	-0.399	1.840	1.707	1.423		-1.356	-0.073	-1.185	0.065	0.284	-0.221
0.378	0.300	0.567	-0.364	1.863	1.730	1.451		-1.350	-0.085	-1.179	0.061	0.275	-0.224
0.386	0.340	0.589	-0.334	1.885	1.755	1.479		-1.338	-0.094	-1.169	0.058	0.270	-0.228
0.394	0.370	0.609	-0.306	1.905	1.781	1.503		-1.332	-0.110	-1.163	0.054	0.265	-0.232
0.402	0.398	0.624	-0.283	1.924	1.804	1.522		-1.338	-0.134	-1.166	0.052	0.260	-0.235
0.409	0.415	0.638	-0.263	1.939	1.820	1.537		-1.352	-0.164	-1.173	0.051	0.257	-0.237
0.417	0.428	0.647	-0.249	1.955	1.832	1.550		-1.376	-0.196	-1.180	0.049	0.256	-0.240
0.425	0.436	0.650	-0.242	1.965	1.838	1.557		-1.407	-0.232	-1.190	0.048	0.254	-0.242
0.433	0.422	0.643	-0.246	1.967	1.841	1.561		-1.470	-0.296	-1.218	0.047	0.253	-0.248
0.441	0.396	0.620	-0.263	1.965	1.839	1.558		-1.584	-0.399	-1.268	0.050	0.256	-0.256
0.449	0.348	0.580	-0.286	1.967	1.838	1.556		-1.733	-0.525	-1.326	0.053	0.263	-0.263
0.457	0.297	0.539	-0.310	1.973	1.839	1.558		-1.912	-0.668	-1.392	0.059	0.277	-0.268
0.465	0.239	0.502	-0.338	1.983	1.843	1.565		-2.098	-0.811	-1.459	0.070	0.305	-0.271
0.472	0.175	0.456	-0.374	1.993	1.845	1.575		-2.271	-0.941	-1.527	0.085	0.331	-0.273
0.480	0.096	0.401	-0.418	1.996	1.846	1.585		-2.423	-1.053	-1.597	0.098	0.349	-0.278
0.488	0.013	0.341	-0.457	1.996	1.842	1.595		-2.559	-1.153	-1.674	0.107	0.361	-0.287
0.496	-0.059	0.291	-0.488	1.993	1.834	1.603		-2.670	-1.247	-1.755	0.116	0.370	-0.297
0.504	-0.116	0.252	-0.513	1.989	1.826	1.616		-2.756	-1.335	-1.842	0.125	0.378	-0.305
0.512	-0.161	0.220	-0.541	1.985	1.816	1.631		-2.824	-1.409	-1.927	0.133	0.387	-0.310
0.520	-0.198	0.193	-0.570	1.983	1.809	1.651		-2.866	-1.469	-2.006	0.143	0.396	-0.312
0.528	-0.224	0.172	-0.604	1.979	1.799	1.671		-2.874	-1.513	-2.071	0.162	0.407	-0.316
0.535	-0.240	0.159	-0.636	1.975	1.787	1.687		-2.860	-1.547	-2.119	0.188	0.420	-0.317
0.543	-0.241	0.159	-0.660	1.973	1.773	1.703		-2.832	-1.576	-2.152	0.218	0.436	-0.313
0.551	-0.238	0.162	-0.680	1.969	1.757	1.719		-2.802	-1.594	-2.167	0.244	0.459	-0.303
0.559	-0.242	0.162	-0.702	1.962	1.733	1.733		-2.766	-1.608	-2.172	0.269	0.488	-0.291
0.567	-0.256	0.158	-0.726	1.939	1.694	1.741		-2.722	-1.611	-2.161	0.292	0.521	-0.282
0.575	-0.289	0.146	-0.765	1.898	1.639	1.730		-2.671	-1.602	-2.129	0.315	0.558	-0.269
0.583	-0.344	0.117	-0.825	1.831	1.557	1.690		-2.605	-1.575	-2.076	0.342	0.604	-0.245
0.591	-0.427	0.060	-0.911	1.737	1.447	1.612		-2.520	-1.521	-2.007	0.371	0.660	-0.214
0.598	-0.539	-0.037	-1.024	1.618	1.317	1.506		-2.425	-1.450	-1.934	0.405	0.722	-0.191
0.606	-0.676	-0.168	-1.157	1.478	1.173	1.381		-2.342	-1.384	-1.869	0.444	0.787	-0.177
0.614	-0.841	-0.324	-1.307	1.325	1.021	1.248		-2.279	-1.335	-1.821	0.485	0.846	-0.167
0.622	-1.032	-0.501	-1.480	1.157	0.863	1.106		-2.234	-1.301	-1.790	0.522	0.893	-0.159
0.630	-1.240	-0.689	-1.667	0.985	0.695	0.959		-2.206	-1.277	-1.776	0.552	0.933	-0.151
0.638	-1.450	-0.866	-1.862	0.818	0.532	0.821		-2.184	-1.253	-1.772	0.577	0.971	-0.137
0.646	-1.660	-1.025	-2.053	0.666	0.381	0.691		-2.165	-1.227	-1.776	0.598	1.013	-0.121
0.654	-1.845	-1.174	-2.226	0.536	0.244	0.586		-2.154	-1.205	-1.788	0.620	1.059	-0.109
0.661	-2.000	-1.305	-2.371	0.439	0.141	0.509		-2.157	-1.191	-1.806	0.641	1.096	-0.107
0.669	-2.123	-1.405	-2.476	0.382	0.069	0.462		-2.174	-1.190	-1.830	0.657	1.120	-0.115
0.677	-2.216	-1.471	-2.550	0.348	0.018	0.432		-2.202	-1.196	-1.856	0.666	1.133	-0.128
0.685	-2.297	-1.514	-2.600	0.326	-0.016	0.418		-2.229	-1.199	-1.880	0.674	1.142	-0.137
0.693	-2.360	-1.546	-2.641	0.304	-0.040	0.409		-2.256	-1.199	-1.895	0.683	1.152	-0.144
0.701	-2.415	-1.572	-2.673	0.284	-0.059	0.406		-2.279	-1.193	-1.903	0.696	1.164	-0.148
0.709	-2.459	-1.592	-2.701	0.269	-0.074	0.406		-2.294	-1.178	-1.905	0.706	1.173	-0.148
0.717	-2.494	-1.608	-2.718	0.260	-0.084	0.412		-2.293	-1.150	-1.900	0.716	1.180	-0.144
0.724	-2.522	-1.622	-2.731	0.258	-0.086	0.420		-2.276	-1.115	-1.890	0.723	1.185	-0.138
0.732	-2.537	-1.627	-2.730	0.263	-0.085	0.430		-2.247	-1.080	-1.877	0.726	1.189	-0.130
0.740	-2.537	-1.619	-2.721	0.270	-0.079	0.443		-2.212	-1.043	-1.858	0.728	1.193	-0.120
0.748	-2.518	-1.600	-2.702	0.285	-0.065	0.463		-2.172	-0.998	-1.831	0.729	1.196	-0.107
0.756	-2.474	-1.562	-2.660	0.307	-0.033	0.494		-2.124	-0.950	-1.801	0.728	1.194	-0.092
0.764	-2.413	-1.507	-2.610	0.334	0.007	0.529		-2.065	-0.892	-1.766	0.725	1.187	-0.075
0.772	-2.346	-1.446	-2.557	0.362	0.050	0.558		-1.990	-0.817	-1.721	0.717	1.178	-0.057
0.780	-2.271	-1.382	-2.502	0.393	0.090	0.580		-1.900	-0.723	-1.665	0.707	1.169	-0.041
0.787	-2.190	-1.320	-2.447	0.428	0.134	0.601		-1.805	-0.621	-1.604	0.694	1.158	-0.026
0.795	-2.106	-1.250	-2.387	0.466	0.180	0.622		-1.714	-0.520	-1.543	0.681	1.147	-0.013
0.803	-2.011	-1.173	-2.321	0.505	0.228	0.640		-1.631	-0.432	-1.484	0.667	1.138	-0.006
0.811	-1.910	-1.089	-2.251	0.546	0.277	0.661		-1.557	-0.354	-1.433	0.648	1.134	-0.010
0.819	-1.807	-0.996	-2.175	0.587	0.329	0.679		-1.486	-0.284	-1.390	0.621	1.136	-0.023
0.827	-1.701	-0.905	-2.098	0.627	0.390	0.694		-1.415	-0.223	-1.353	0.584	1.143	-0.037
0.835	-1.597	-0.816	-2.021	0.665	0.454	0.710		-1.350	-0.167	-1.319	0.545	1.154	-0.047
0.843	-1.491	-0.726	-1.943	0.703	0.525	0.727		-1.291	-0.115	-1.287	0.509	1.167	-0.050
0.850	-1.379	-0.640	-1.857	0.747	0.600	0.750		-1.236	-0.065	-1.255	0.480	1.181	-0.044
0.858	-1.266	-0.558	-1.770	0.796	0.673	0.771		-1.181	-0.012	-1.220	0.458	1.199	-0.033
0.866	-1.152	-0.482	-1.679	0.847	0.743	0.786		-1.122	0.040	-1.185	0.442	1.222	-0.022
0.874	-1.039	-0.406	-1.582	0.901	0.811	0.803		-1.061	0.088	-1.151	0.431	1.246	-0.012
0.882	-0.930	-0.331	-1.485	0.953	0.881	0.820		-0.998	0.131	-1.119	0.420	1.274	-0.001
0.890	-0.824	-0.255	-1.390	1.001	0.951	0.841		-0.933	0.170	-1.089	0.409	1.305	0.013
0.898	-0.719	-0.181	-1.292	1.050	1.020	0.865		-0.862	0.208	-1.056	0.401	1.339	0.032
0.906	-0.621	-0.114	-1.196	1.095	1.086	0.887		-0.788	0.249	-1.018	0.394	1.374	0.048
0.913	-0.525	-0.051	-1.100	1.142	1.154	0.909		-0.719	0.292	-0.978	0.386	1.402	0.057
0.921	-0.425	0.015	-1.010	1.192	1.227	0.934		-0.668	0.327	-0.940	0.375	1.414	0.059
0.929	-0.326	0.080	-0.928	1.239	1.299	0.957		-0.640	0.352	-0.907	0.361	1.411	0.055
0.937	-0.229	0.151	-0.847	1.287	1.367	0.983		-0.633	0.370	-0.877	0.339	1.395	0.050
0.945	-0.138	0.224	-0.772	1.325	1.431	1.007		-0.638	0.384	-0.849	0.315	1.357	0.042
0.953	-0.055	0.293	-0.705	1.354	1.480	1.025		-0.649	0.394	-0.824	0.290	1.300	0.032
0.961	0.012	0.353	-0.646	1.367	1.512	1.033		-0.663	0.397	-0.799	0.271	1.219	0.024
0.969	0.072	0.399	-0.592	1.366	1.523	1.029		-0.678	0.396	-0.776	0.263	1.110	0.020
0.976	0.113	0.438	-0.544	1.341	1.510	1.007		-0.694	0.392	-0.754	0.258	0.961	0.028
0.984	0.151	0.475	-0.492	1.278	1.455	0.959		-0.706	0.385	-0.726	0.241	0.769	0.044
0.992	0.195	0.505	-0.438	1.186	1.357	0.896		-0.700	0.378	-0.684	0.199	0.562	0.059
1.000	0.249	0.534	-0.378	1.101	1.252	0.836		-0.648	0.365	-0.620	0.142	0.357	0.118