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Biomechanics of a Badminton Serve
107
Transcript
Center of Gravity
My center of gravity moves from the back towards my right arm
to a little bit lower towards my middle
and then to a little bit higher towards the other side of my body near the front
Questions?
Torque
Torso Torque = (1/2)(52)(48) = 1248 Ncm
Legs Torque = (1/3)(52)(83) = 1438.67 Ncm
Arm with Raquet Torque = (1/12)(52)(113) = 489.67 Ncm
Concurrent
Toppling Force
- The badminton serve is a push.
- The dynamic phase is concurrent because the movement is moving around my center of gravity instead of straight.
P = (WxB)/H
Static = (52X14)/136 = 5.35 cm/kg
Dynamic 1 = (52X29)/137 = 11.01 cm/kg
Dynamic 2 = (52X18)/128 = 7.31 cm/kg
Origins of Badminton
- The beginnings of badminton can be traced to the mid-1800s in British India where it was created by British military officers stationed there.
- Early photographs show Englishmen adding a net to the traditional English game of battledore and shuttlecock.
- The sport is related to ball badminton, which originated in Tamil Nadu, and is similar to Hanetsuki which originated in Japan.
- Being particularly popular in the British garrison town Poona (now Pune), the game also came to be known as Poona.
- Initially, balls of wool referred as ball badminton were preferred by the upper classes in windy or wet conditions, but ultimately the shuttlecock stuck.
- This game was taken by retired officers back to England where it developed and rules were set out.
Center of Gravity Shift
Aerial Support
Free Body Diagrams
Biomechanics of a Badminton Serve
Julie Song Period 3
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