Abstract: Disclosed herein is an adjustable support frame for an adjustable bed or the like comprising an articulable load-bearing portion having a head element articulably connected to said base, a middle element articulably connected to said head element, and a foot element articulably connected to said middle element. Adjustable support means communicate between said base and each of said middle and foot elements for both supporting said elements over said base as well as for adjusting the position of said elements relative to each other and to said base without affecting the position of said head element relative to said base.