Abstract: This invention relates to a self-operating stand up support apparatus to be utilized by a person such as a quadriplegic for aid in movement from horizontal to vertical positions. The stand up support apparatus includes a main support frame assembly; a person support bed assembly pivotally connected to the main support frame assembly; and a power actuator and control assembly operable to selectively move the person support bed assembly. The main support frame assembly is provided with a support frame having a support wheel assembly connected thereto for ease of movement. The person support bed assembly is provided with a rectangular support frame supporting a body support assembly having a main body support and an upper body support. The upper body support is pivotal relative to the main body support to provide a work platform.