Muscle Power 8 has 100% carbon graphite shaft and isometric and Muscle Power design aluminum head based on Yonex's Isometric head shape technology to provide 32% larger sweet-spot than conventional badminton racket.
The square-shaped ISOMETRIC frame shape is designed to keep vertical strings at a similar length, as well as the horizontal strings to produce an expanded sweet spot in all directions.
Muscle Power locates the string on rounded archways that eliminate stress-load and fatigue through contact friction. This construction creates total unity of the string and frame through closer and tighter contact.
