Stand up straight with your legs hips width apart and knees softened.
Bend your elbows so that your hands are in front of your shoulders, palms facing forwards.
Inhale, pulling your shoulder blades together, arching your upper and lower back and moving your gaze up a little.
Exhale, pushing your palms forwards, tucking your chin to your chest, rounding your upper and lower back and tucking your tail bone under.
Inhale, pulling your shoulder blades back together, bending your elbows and arching your back again.
Exhale, pushing your palms forwards and rounding your back again.
Continue this motion at a steady pace.