[header] How to do yoga for leaner legs [title] Start in downward-facing dog. [step] Downward-facing dog is a good place to start for working your legs because you can move into a number of leg-working poses from it. Get on your hands and knees and stack your shoulders over your wrists and your hips over your knees. 
Press your hands down into the mat and engage your shoulders to stay in the shoulder joint. [substeps] Slightly tuck your back toes under and begin to lift your hips up and back.