As sure as skinny jeans will be cool again, you can bet that training styles like calisthenics will always come back around.

I'm a personal trainer who enjoys calisthenics training. Here are three tips I learned as a calisthenics beginner.

Calisthenics vs. weight training When you do calisthenics, you use the weight of your own body for resistance. In weight training, you use weights for resistance. That could mean a weight machine ...