How to improve the speed races.

How to improve the speed races.
The physical sets as the speed ratio between the distance traveled and the time spent.
Speed ​​= space / time
Its features are:
a) maximum intensity
b) minimum
According to several researchers, the speed is a quality individual and the cream of training to perfect.
The speed appears:
- Development of the individual, from one place to another;
- The rapid movement of his gestures;
- The reaction of an individual.

The coordination, relaxation, strength, endurance and flexibility are responsible for most of the individual speed.
To achieve progress in speed seek progressively replace voluntary act by reflex. (Raoul et Mol1).

As improve the speed:
a) short races, sprints;
b) response exercises;
c) exercises performed quickly (highest number of contractions in a given time);
d) exercises that enable increased elasticity (joint range of motion);
e) exercises that increase the strength of muscles (small load and high number of repetitions);
f) exercises that increase cardio respiratory endurance;
g) exercises that increase muscular strength exercises to automate the sporting gesture (repetition of movements,
initially slow to reach automation).

Source: Athletics