Gypsy, the Equine Encyclopedia, has something to say about the 5 types of walk that are asked for in dressage. Like all shetlands, she is always watching, listening and learning.
The 5 types of walk are the working walk, the collected walk, the free walk, the medium walk and the extended walk.
They may be asked for in dressage tests (dressage is an equestrian event in which horses are trained for collection and harmony with the rider; a dressage test is a competition where horses go around an arena one at a time following a pattern and the horses are judged on harmony, impulsion and collection).
The walk is known as the “ideal form of locomotion.”