But a good ab workout doesn't have to revolve around sit-ups. Trainer Kayla Itsines offers five effective ab exercises that she swears by, none of which include sit-ups. Her exercises require no ...
Sit-ups are, after all, one of the oldest exercises in the book when it ... sit-ups— but it’s also one of the most effective. “Using an ab mat for sit-ups offers a better range of motion ...
"It is an exercise everybody can do," said. "You always have stairs nearby you - free of charge compared to a gym." Minetti did the math to explain why going up stairs is so effective for burning ...