Yonex Badminton Racquet Muscle Power 7Churn out sharp shots that utilize maximum repulsion power with the Muscle Power 7 racquet from Yonex. The Muscle Power 7 racquet ensures that you can make sharp shots with high repulsion power. The MUSCLE POWER frame is even balanced and increases repulsion power and control. The MP7 also has an ISOMETRIC head shape resulting in a larger, easier to hit sweet spot, upping your accuracy on a higher percentage of shots.