For every action, there is an equal and opposite reaction. - Newtons Third Law of Motion Find balance between opposing forces in our body to allow the flow of prana (the energetic breath). Sthira, sanskrit for meaning steady, strong, resolute and firm. Sukha translates as gentle, easy, joyful, agreeable and good. In relation to our yoga asana practice it denotes firming our muscles, using the core muscles to hold ourselves steady and still, staying strong in both mind and bod