A person support apparatus comprising: a person support element, surface or frame having two sides, a head end and a foot end, and a support assembly for supporting the person support element, surface or frame and moving it relative to a floor surface, wherein the support assembly comprises: a lower frame including a pair of longitudinal lower frame elements running substantially parallel to the sides of the person support element, surface or frame, the lower frame having floor engaging elements for supporting the lower frame above the floor; characterised in that the person support apparatus further comprises at least one leg assembly, the leg assembly including a leg element having a first end pivotally coupled to the person support element, surface or frame, and a second end pivotally coupled to a longitudinal lower frame element, the leg assembly also including an actuator rod element having a first end pivotally coupled to the person support element, surface or frame and a second end coupled to the leg element at a position between the leg element's first and second ends such that extension and/or retraction of the actuator rod moves the person support element, surface or frame relative to the lower frame; and wherein the lower end of the leg element is pivotally connected to the longitudinal lower frame element via an extension piece having a first end and a second end, the first end portion of the extension piece being pivotally connected to the longitudinal lower frame element and the second end of the leg element being pivotally connected to a second end portion of the extension piece. a person support element, surface or frame having two sides, a head end and a foot end, and a support assembly for supporting the person support element, surface or frame and moving it relative to a floor surface, wherein the support assembly comprises: a lower frame including a pair of longitudinal lower frame elements running substantially parallel to the sides of the person support element, surface or frame, the lower frame having floor engaging elements for supporting the lower frame above the floor; characterised in that the person support apparatus further comprises at least one leg assembly, the leg assembly including a leg element having a first end pivotally coupled to the person support element, surface or frame, and a second end pivotally coupled to a longitudinal lower frame element, the leg assembly also including an actuator rod element having a first end pivotally coupled to the person support element, surface or frame and a second end coupled to the leg element at a position between the leg element's first and second ends such that extension and/or retraction of the actuator rod moves the person support element, surface or frame relative to the lower frame; and wherein the lower end of the leg element is pivotally connected to the longitudinal lower frame element via an extension piece having a first end and a second end, the first end portion of the extension piece being pivotally connected to the longitudinal lower frame element and the second end of the leg element being pivotally connected to a second end portion of the extension piece. a lower frame including a pair of longitudinal lower frame elements running substantially parallel to the sides of the person support element, surface or frame, the lower frame having floor engaging elements for supporting the lower frame above the floor; characterised in that the person support apparatus further comprises at least one leg assembly, the leg assembly including a leg element having a first end pivotally coupled to the person support element, surface or frame, and a second end pivotally coupled to a longitudinal lower frame element, the leg assembly also including an actuator rod element having a first end pivotally coupled to the person support element, surface or frame and a second end coupled to the leg element at a position between the leg element's first and second ends such that extension and/or retraction of the actuator rod moves the person support element, surface or frame relative to the lower frame; and wherein the lower end of the leg element is pivotally connected to the longitudinal lower frame element via an extension piece having a first end and a second end, the first end portion of the extension piece being pivotally connected to the longitudinal lower frame element and the second end of the leg element being pivotally connected to a second end portion of the extension piece.