Lying leg raises This exercise strengthens your lower abs but doesn’t require you to hold yourself up while you do so. Instead, lie on your back with your legs extended and feet together.
All four charts follow the same exercise format: XBX instructs you to not move up to the next level until you can do your present level, without excessive strain or fatigue in the 12 minutes.
We’ve rounded up some of the best pieces of high-end fitness equipment around ... live rowing classes with this machine.) To start, sit on the seat, secure the foot straps, grab the rowing ...