These are data in formations show the relation between racket control and power of the player.
1. Heavier weight of racket makes more power of hitting
2. Big Frame width has big sweet spot .And give bigger power than the small one.
3. Stiffness of frame racket that has big sweet spot makes strong power.
4. Big frame width of tennis racket makes low twist during match.
5. Shock load from hitting up to frame stiffness of tennis racket.
Racket weight
Average weigh of tennis racket is between 250-230 g. Deride to 3 groups below
1. Light (250-290 g): Suitable for new by and club player. Frame stiffness is medium for hard.
2. Medium (291-325 g) : Suitable for the players who have swing index 4.5-6.0
3. Heavy more than (325 g): Suitable for professional tennis player. Hitting swing should be fast and nice control.
There are many kinds and brands of tennis racket. Each company try to use new technology for give more power of hitting. And make good control of swing. More over a nice racket can decrease accident and injury.
Before buying a racket, you have to understand the composite and detail of racket.
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