Here's an article with a great exercise idea!
Serious Calorie Burning with No Equipment InvestmentWhat are Hindu squats?
Squats are a staple of weight lifting strength building routines for the lower body. Hindu squats are a similar exercise movement done without barbells and using your body weight along with synchronized breathing at a fast tempo. This enhances endurance and strengthens the lungs, chest and lower back as well as toning and working the lower body. Doing a set of 25 (or what is comfortable) to start will give you an idea about their superb calorie burning effectiveness.
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