The purpose of fitness boot camps is one or more of the following: to become physically fit, participate in a regular exercise routine or program, burn calories to lose weight, increase muscular strength, or improve cardiovascular efficiency. Many fitness boot camps also offer advice and information in nutrition. They are often provided for people who are not motivated with working by themselves or using routines, programs, and exercise equipment offered at fitness centers and gymnasiums and need the camaraderie that comes with group participation but also need to be forced to do such workouts. As such, they provide social support for those participants, and during the classes, members may becomes friends with each other as they exercise. They learn to regularly exercise and to attend each class because the team benefits from their participation.