Module 5: Lifting and Grasping

Proficiency = 132.0551 − 9.7609 Left instrument path length − 0.002 Left instrument angle path − 0.098 Right instrument misses 1.6881 Right instrument path length − 0.4771 Total time − 0.0971 Max damage

Variables Measured and Criterion Percentile Values
Variable	10	25	50	75	90
Left instrument misses	0.0	0.0	0.0	0.0	0.0
Left instrument path length	1.593	1.562	1.442	1.332	1.183
Left instrument angle path	432.997	358.058	333.868	315.473	306.557
Right instrument misses	0.0	0.0	0.0	0.0	0.0
Right instrument path length	1.81	1.626	1.497	1.443	1.17
Right instrument angle path	483.922	381.742	320.654	303.44	293.167
Total time	74.787	71.879	52.455	46.602	43.455
Tissue damage	5	3.5	2	1	0
Maximum damage	45.042	33.066	17.529	5.035	3.323
Proficiency score	70.509	75.581	88.227	91.579	93.929
Means ± Standard Deviations for Each Variable
Variable	−1.5	−1	0	+1	+1.5
Left instrument misses	0.0	0.0	0.0	0.0	0.0
Left instrument path length	1.128	1.231	1.435	1.639	1.741
Left instrument angle path	274.425	299.511	349.682	399.854	424.939
Right instrument misses	0.0	0.0	0.0	0.0	0.0
Right instrument path length	1.152	1.275	1.523	1.77	1.894
Right instrument angle path	241.43	279.339	355.157	430.975	468.884
Total time	36.137	43.184	57.277	71.37	78.416
Tissue damage	−0.734	0.268	2.273	4.277	5.28
Maximum damage	−5.776	3.008	20.576	38.143	46.927
Proficiency score	68.917	74.033	84.263	94.494	99.61