How to do a Pike Push-up, how many you should do and who should not do them. Feeling a little bored with your existing push-up routine and ready to challenge yourself? The pike push-up could be a good ...

Great push-up form starts with a rigid plank. Your arms should be fully extended, with your hands, elbows, and shoulders all in line, and your feet should be no more than 12 inches apart--the closer ...