base of support


Also found in: Acronyms.

base of sup·port

(BOS) (bās sŭ-pōrt')
Area defined by the parts of the body and assistive devices that are in contact with the supporting surface.
See: repetitive lifting test

base of support

area of ground surface (between and beneath the feet) covered by the body silhouette in an erect subject; the wider the base of support, the greater the stability of the erect body; the centre of gravity is more easily maintained within the base of support
References in periodicals archive ?
Despite all efforts, when the COG can no longer be maintained over the center of the base of support provided by the two feet, the base of support is extended with the use of a cane, walker, or a wheelchair.