Table 3. Average error, range, average error%, R2 and R for the angular kinematic and kinetic variables and moment arms for BS (sampled at 25 frames per second with 5 fields beyond each end of the stroke cycle). Variable Average Error Range Average Error% R2 R Shoulder Roll 2.02 109.8 1.84 .997 .999 Hip Roll 1.38 85.35 1.62 .998 .999 Knee Roll 1.79 174.6 1.02 .998 .999 Ankle Roll 2.19 212.24 2.19 .998 .999 Pitch .56 6.16 9.07 .901 .949 Yaw .63 12.80 4.90 .959 .980 Torque X 7.14 107.1 6.67 .930 .975 Torque Y 15.46 137.0 11.29 .858 .926 Torque Z 20.80 385.2 5.40 .954 .977 Wrist Disp X L .0079 1.361 .57 .999 .999 Wrist Disp X R .0051 1.296 .40 .999 .999 Wrist Disp Y L .0048 1.003 .48 .999 .999 Wrist Disp Y R .0042 1.162 .36 .999 .999 Wrist Disp Z L .0088 .501 1.77 .993 .997 Wrist Disp Z R .0068 .534 1.26 .998 .999 Ankle Disp X L .0116 .207 5.59 .932 .965 Ankle Disp X R .0047 .181 2.56 .991 .995 Ankle Disp Y L .0066 .439 1.51 .996 .998 Ankle Disp Y R .0033 .378 0.89 .999 .999 Ankle Disp Z L .0097 .327 2.96 .987 .993 Ankle Disp Z R .0060 .341 1.75 .997 .998