Money, or the lack of it, changes everything, and that includes how people will be working out in 2010.
In these belt-tightening times 1 , cost-conscious workouts（锻炼）at home and at the gym topped the list of fitness trends for this year in a survey, followed 2 by shorter, more time-efficient regimens, such as 3 boot camp（强力集中训练） and circuit training.
