Stand straight with your hand on you sides, then start raising your hand to the sky as high as you can, and lean slightly back to the point in which you feel a great stretch, stay in this position for 5-15 seconds and then slowly go back to the original position.

Some More Great Stretches:

Straight Leg up, Wall Stretch, Hands on the Head Bow Dow, The Super Stretch, The Hanging Stretch, The Down Hill, Two Straight Legs up, Touch Toes, Cat Stretch, The Yawn, The Bow Down, The Table Stretch, The Bridge Stretch, Basic Leg Stretch, Super Cobra Stretch.