Throws Discus Javelin Shot Put

The throwers starting position in the ring is with their back facing the direction of the throw.
The thrower then rotates one and half times, accelerating all the while before delivering the throw.
When the discus leaves the hand, it can be done either with a foot switch, which means that the thrower swivels around one more time on one leg after the throw.
Or it can be without a foot switch, which means that the thrower finishes the throw standing still on both feet.
The speed of a discus at the time of leaving the hands of a thrower can be about 26m/s for men and a little slower for women.
The weight of a discus is 2kg for men with a diameter of 220mm while for women it weights around 1kg with a diameter of 181mm.
The ring is made of concrete and has a diameter of 250cm.
The hammer and shot put ring have a smaller diameter of 214cm.

The run-up is more or less the same for men and women, 25 to 30 meters.
At the end of a run-up, the men attain a speed of 7.5 m/s while the women gain a speed of 6.5m/s.
In terms of technique, the most important movement for a right hand thrower is a quick stop with the left foot and a delayed arm movement so as to get the whole body behind the Javelin.
Finally a distinct blocking by the left side of the body is important to get as much energy as possible behind the javelin.
At the time of the throw, 75-80 percent of the speed is generated in about 0.15 seconds.
The javelin speed increases from about 30km/h to close to 110km/h.
For women the speed increases from about 28km/h to about 95km/h.
The weight of a javelin for men is 800gms and its length varies between 260cm to 270cm, while the women's javelin weight is around 60gms and has a length of 220-230cm

The glide and spin techniques are widely used ones in the shot put.
While men use the spin and glide technique equally, glide technique is used by nearly every female putter.
When the shot leaves a putter's hand its speed is approximately 14m/s for both men and women.
The weight of the shot for men is 7.26kg while women use a 4kg shot.
The shot put ring has an inner diameter of 213-214cm

Most men and women take four turns in the ring before unleashing the hammer.
The weight of a hammer is 7.26kg for men and 4kg for women.
With the string, its total length can be 117.5-121.5cm for men and 116.0-119.5 for women.
The thrower generates power in each turn and in the last one, the weight of the hammer cam be equivalent to 300kg.
This is a weight that a thrower must bear on his or her finger tips, more or less.
The diameter of the ring is 214cm.

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