Person support apparatuses with exercise functionalities are disclosed. In one embodiment, the person support apparatus may include a base frame and a primary support frame supported on the base frame. A carriage may be freely translatable at least between a head end of the primary support frame and a foot end of the primary support frame. A support surface may be supported on the carriage such that the support surface translates with the carriage. The support surface may include at least one support section which is collapsible in a length direction of the support surface. The at least one support section collapses as the carriage translates towards the foot end of the primary support frame.
