17 Quiet, At-Home Cardio Exercises That Trainers Recommend
Break a Sweat With 17 Quiet, Bodyweight Cardio Moves That Won't Annoy Your Neighbours
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Want to make mountain climbers more of a challenge? Get creative with your knee placement, Rademacher said. "Add in a crossbody rotation by bringing the right knee to the left elbow. Or, optionally, bring the right knee to the outside of the right elbow for a challenging low core and hip mobility exercise." You can do one variation at a time or combine them as shown below.