Derek Fisher’s relentless pursuit of the perfect level of fitness led him to enlist the services of strength and conditioning coach Peter Park during the offseason. Park has worked with cyclist Lance Armstrong in the past. Fisher appears to be in peak condition, but he only laughed when asked today about his cycling skills. More seriously, he said of working out with Park, “”I love to work with personal trainers during the offseason, just for a different look, a different technique. The way Peter works is different from anything I’ve ever done. I feel the difference.” Fisher turned 35 in August and shows no signs of slowing down.