There are certain steps you can take to build muscles without going to the gym. First, you can begin by jogging or running to help improve your physical stamina. You can proceed by engaging in push-ups to help build muscles in your upper body.
Furthermore, engage in crunches to help build muscles in your waist. Dips are also encouraged as well as pull-ups for your upper body. To increase your portion muscular body engage in squats and engage in bodyweight exercises.