YONEX Muscle Power 29 Light Badminton Racket Isometric Head Shape for More Power and Control. This racket is a top-selling racket in the complete Yonex Racket range. Known for its lightweight racket handling and easy control, MP 29 will provide you superb power on shots, and the player can effectively place the shots from the 3rd line and dominate in the rallies with powerful smashes. Yonex Muscle Power 29 Light is manufactured with High-quality Graphite which gives better strength and optimum racket flex.