Do your knees hurt in Supta Virasana or Trianga Mukha Eka Pada Paschimotthanasana? Does that sound like a lot already? Don't worry if you don't know the Sanskrit, but do take precaution if you've got pain in the knees in certain poses.
Lisa will show you how to safely use a block (or anything similar from your home) to protect those precious knee joints in your practice.