Scales can be a great workout routine if you let your arms loose, dip your pliant wrists and go with the flow. And it’s a great cardio. (No treadmill or weights required) Just apply principles of balance and buoyancy.
Here are snatches from an adult student’s lesson (Legato and staccato playing with slow motion replays)
C# NATURAL minor in parallel and contrary motion
First Aiden cat joins in:
http://www.powhow.com/classes/shirley-kirsten
Join me for a Piano Cardio class.. See my class schedule at POWHOW