Speed to be adjusted to the walking rythm of the test subject. When the subject is close to the frontbar of the treadmill it speeds up. In the middle it keeps a constant speed. Close to the end of the belt, the speed decreases.This is ideal for a timetrial (e.g. a 6 or 12 minute walking test).
Note: this option cannot be combined with the Single sided front handrail for Valiant 2 (#938826).