In this photo taken Tuesday, Feb. 15, 2011, San Francisco director of strength and conditioning Evan Nielsen holds up a heart-rate monitor worn by basketball players after a practice in San Francisco.... more 
In this photo taken Tuesday, Feb. 15, 2011, San Francisco director of strength and conditioning Evan Nielsen holds up a heart-rate monitor worn by basketball players after a practice in San Francisco. San Francisco's men's basketball program invested $10,000 this season so its athletes could wear heart rate monitors in both practices and games--and even for workouts in the weight room. less 
1 / 1
Associated Press | Photo By Jeff Chiu
Fri, Feb 18, 2011 4:00 PM EST