The advanced Ahead Spinal G Deluxe Drum Throne offers spring-balanced support with a heavy-duty, tripod base that includes a double-locking, threaded height adjustment and sturdy seat connector plate. Spinal G thrones have been developed for players who require the higher level of support and comfort an Ergokinetic throne provides. This new science focuses on the integration of design and support of the human body in motion, whereas ergonomics studies the integration of design to support the human body at rest.