Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Recreational Artifacts (hierarchy name)
5. recreational artifacts (equipment)
6. [temporary alphabetical list: recreational artifacts]

Anotations

Scope note:

Exercise equipment used to provide aerobic exercise and endurance training. Generally consists of two parallel platforms attached to a base, with handlebars for stability. Users step on the platforms to simulate the motion of walking up stairs. Some machines use a staircase that moves in a continuous path.