Arms circles

Muscles worked

You need

How to do it

1. Stand tall and raise both arms straight out to your sides at shoulder height, palms down.
2. Keeping the arms long, draw small, controlled circles in the air with your hands, all in the same direction, then switch and circle the other way.
3. The circles stay tight - about the size of a dinner plate - and the arms stay level throughout.
4. It looks like nothing; by minute two your shoulders will be composing strongly worded letters.