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 ?
24] The limits of these spontaneous sways, known as the limits its of stability, are a function of the sway direction and are determined by the sensory conjuncture and the characteristics of the base of support.
When the COG moves beyond the limit of stability, a fall occurs unless a stumble or a rapid step repositions the base of support beneath the COG, securing additional support and enlarging the base of support.
EtherShare and PCShare, HELIOS' powerful and scalable network server software for Sun Solaris, IBM RS/6000, SGI Irix and Data General and other enterprise-level platforms, have found a new base of support in upstart, entry-level platforms like Mac OS X Server and Linux (Redhat, Suse).