I tried this 40-minute bodyweight core workout, and it strengthened my abs without a sit-up in sight
Watch Ben Felton's 40-minute core workout The workout starts with a series of planks, mostly side planks variations, before a ...
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You don't need weights to build core strength and work your lower body, just this 40-minute bodyweight routine
It’s a 40-minute workout and Girvan makes use of tri-sets — a type of training where you do three exercises back-to-back without rest to increase the time under tension for the muscles targeted.