A user-operated mobility apparatus includes a base unit having a drive assembly and wheels mounted thereto for enabling selective movement of the base unit along a surface. A plurality of support members extend from the base unit, define an interior area therebetween that is configured to receive a user, and each includes a plurality of spaced-apart engagement features for releasably engaging at least one accessory at various different positions along the support member. A user support assembly is mounted adjacent the free ends of the support members and includes a support cord extending into the interior area. The support cord is configured for releasably engaging a user to support the user within interior area.