Step one foot out to the side, knee bent, toes facing out and heel in line with opposite knee. (dailyburn.com)
Alternate crossing your ankle over opposite knee to achieve a deep stretch on both sides of the body; then switch sides. (health.com)
With your hands behind your head, try to touch one elbow to opposite knee in a bicycle - pedaling motion similar to the illustration above. (eatrunanddone.com)