A medical table provides the functionality needed for hip and knee arthroplastyat a cost that is acceptable for smaller patient care centers. Such a table canuse a sliding mechanism to maintain traction during positioning of a patient'sleg. The table also can utilize a knee arthroplasty attachment to provide forprecise knee positioning, such as by using a sliding assembly attached to a sparof the table. The table can include a pair of actuators providing for both lateraltilt and trendelenburg motions, which reduces the complexity from previoustables. The table also can include a removable power/control module, which allowsfor quick and easy replacement of damaged components.