Do Russian twists make waist smaller?

In fact, doing Russian Twists without actually losing weight can increase your waist size because your oblique muscles may get larger on top of or under fat. You need to rethink the Russian Twist to make it a safer and more beneficial exercise. It shouldn’t be a rotational movement where you twist your lower back.

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Why are mountain climbers so hard?

Plain and simple, a weak core will make it extremely difficult for you to perform mountain climbers correctly, says Tripp. Essentially, the mountain climber is just an active plank. So, if your hips and midsection are sagging, and your knees are banging against the floor, nailing the move will be nearly impossible.

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