Calisthenics

See also - object calisthenics by Jeff Bay - https://www.cs.helsinki.fi/u/luontola/tdd-2009/ext/ObjectCal...

A wonderful thing about calesthenics: you do not need to get into a car to do them.

Calisthenics is gymnastic for amateurs. Meaning if you do gymnastics you do calisthenics, you can just copy what they do and skip most crap you see