A subject support lift includes a mast portion, a base portion, and a lockable wheel assembly coupled to the base portion. The lockable wheel assembly includes an axle member, a lockable wheel coupled to the axle member, and a pivot member pivotally coupled to the lockable wheel and defining an axis extending in a vertical direction, where the lockable wheel is rotatable about the axis defined by the pivot member. A locking member is coupled to one of the pivot member or the lockable wheel, the locking member being repositionable between a locked position, in which the locking member engages the other of the pivot member or the lockable wheel, and an unlocked position, in which the locking member is spaced apart from the other of the pivot member or the lockable wheel.
