Think you're strong? These advanced push-up variations will challenge your chest, shoulders, triceps, and core—only the elite can master all six.

Bringing your hands together so that your thumbs and index fingers form a diamond ... push-ups, start with an incline for your hands, using stairs, your bed, the counter, or even a wall.

Do your set of push-ups this way. When the wall or countertop is too easy, drop your hands down to something lower, like a chair. (If you’re using an actual staircase, just start with your feet ...