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Lie face up on the floor, knees bent, lower legs parallel to the floor. Lift your head and shoulders off the floor. Extend your arms, palms down, holding them about 6 inches off the floor [A]. Pulse your arms up and down quickly as you inhale for 5 counts, then exhale for 5,
pulling your navel toward your spine. Do 20 counts, working up to 100. As you progress, extend both legs to a 45-degree angle [B].