35



Table 4-3. Mean marker distance errors for the two-level optimization results using first
 and second halves of the joint cycle motion for experimental marker data.

 Experimental Data Hip Knee Ankle

 First half: mean
 marker distance 0.335644 + 0.163370 0.189551 + 0.072996 0.384786 + 0.193149
 error (cm)

 Second half: mean
 marker distance 0.361179 + 0.200774 0.202413 + 0.101063 0.338886 + 0.128596
 error (cm)