I’m a personal trainer — these are the 3 most common push-up mistakes I see (and how to fix them)

Learn how to improve push-ups with this personal trainer's advice based on common mistakes she sees in the gym.
Yahoo

I did 70 walking plank push-ups every day for one week — here’s what happened to my upper body

Push-ups come in many forms — some are progressions to make a push-up harder while others are regressions to make the upper-body exercise more accessible. One push-up variation that holds muscles ...