What is a SIT workout?“SIT stands for sprint interval training,” Laura Morris, a certified personal trainer and nutrition consultant, told HuffPost. “It is a workout that involves short, ...

because it might be down to the structure of your hip socket." O'Leary has recommended four exercises to strengthen the joints and lengthen the muscles you need to sit cross-legged comfortably.

This dumbbell ab workout targets more muscles than just ... and the variation still requires you to sit up and lie down, over and over again. I love kneeling and seated core workouts because ...