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I won’t lie - since having three children, my pelvic floor has never quite been strong enough to withstand extended bouts of jumping, so when I heard about the benefits of the jack plank exercise, it ...

Are you bored of doing 100s of sit-ups and crunches, but you don't quite know how to diversify your routine? Maybe certain moves are off the table due to back pain, tight hips, or mobility issues. I ...