7 CrossFit Workouts Without Using Weights

#Push-ups:

Get down on your fours such that your wrists are directly under your shoulders. Push your legs back such that your toes are on the floor and your body forms a straight line from your head to your heels. Your arms need to be straight and your back needs to be perfectly aligned. Bend your elbows and lower your body towards the floor. Go down until your chest is just a few inches away from the ground and push yourself up.

Also, read 5 Explosive Push Up Workouts To Build A Strong And Muscular Chest.