Instructions
Stand tall and strong with your feet spaced about shoulder-width apart, maintaining a slight bend at the knee
Reach both hands behind your lower back, and interlock your fingers where they meet in the middle
Roll your shoulders back and pull your rear shoulder blades toward each other while slightly pushing your chest out
Keeping only a very slight bend at the elbow, lift your hands away from your lower back to create a stretching sensation in your chest and shoulders
Hold for the specified amount of time