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When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While sit-ups have long been a go-to for strengthening the core, they're not ...
Sit-ups tighten and tone the abdominal muscles that run from beneath the sternum to above the pelvis. This results in a flatter stomach and, if practised along with plenty of aerobic exercise ...
9 x 14.75 in. (22.9 x 37.5 cm.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...