Easier: Stagger both feet on the down phase
More Challenging: Hold the lift for five more seconds
Equipment Needed:
"No equipment required"
One
STARTING POSITION: Lying on your right side, lift your body so your weight is propped up on your forearm and the side of your right foot. There should be a straight diagonal line from your head to your feet.
Two
Hold steady and engage the core muscles. Slowly lifting your left leg to a 45-degree angle and lowering it back down to the start position.