Important Aspects - racing speed.

Important Aspects - racing speed.
Running speed (some technical aspects)
- Arms work more vigorously and has a swing towards lateral trunk.
- There is a marked elevation of the heel, which often touches the buttocks.
- Hodierniamente: there is not a marked elevation of the thigh and in return there is a marked extension of the leg it supports.
- The stem is a little inclined forward.
- The support is done over the toes.


Source: Athletics