Push-ups are one of the most effective exercises for working your chest, triceps, shoulders, and even your core (that abdominal belt we all want to strengthen). They're versatile, require no equipment ...

While pushups alone won’t save your life, they will always be a solid marker of fitness, health and wellness, and they can help you prevent frailty from age-related muscle loss and poor posture.

Pushup positions after 50, try these 4 variations from CSCS coach Jarrod Nobbe to build elite arm strength.