Five exercises, one minute each ... All right, now we're going to go on to the vertical leg crunch. Same position, but with your legs in the air. Just crunch up nice and slow.
Ever been amazed by the athletic physique of Marvel heroes and heroines, like the flawless Scarlett Johansson? It's common to ...
A strong core is essential for any fitness pursuit ... intense with the 1 leg balance – my obliques really had to kick into high gear to keep me from falling over. Crunches and sit ups are ...
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