I'm a personal trainer — I replaced standard planks with this gymnastics exercise for clients over 50 for 3 reasons

T2Covered by 1 source · first reported by TechRadar / Tom's Guide / PCWorld / Pocket-lint / Stuff at 25 Sept, 10:00 UTC

I've been teaching weightlifting for years, and this is one of the most effective plank variations you can do for strength.