Stand with your feet slightly apart. Let your arms hang at your sides. As you inhale, raise your arms slowly out to the sides, palms up, and over your head. Exhaling, clasp your fingers and turn your palms toward the ceiling or sky. Now inhale again, stretching up and tilting your head slightly back. As you exhale, drop your head down and let your arms slowly return to your sides.
Repeat this exercise several times.