Ache

Appearance

The aches appear between 24 and 76 hours after the effort and generally last 2 to 3 days.

The duration and the intensity of the aches vary according to the produced effort. Thus, after a marathon, the majority of the marathonians do not manage to go normally before a few days.

The physical condition of the person and her practice with a type of particular strain is also a big factor. A mountaineer involved will have less aches than a sedentary townsman for the same excursion.

The Councils

Here some councils to avoid or limit the intensity and the duration of the aches:

to warm up before an effort
to moderate its efforts according to its drive
to carry out a meeting of stretchings after the effort

Causes of the aches

When a muscle is not accustomed to a exercise, a load, or underwent mainly muscular contractions of eccentric type (reception after a jump of a staircase for example), the unpleasant feeling of the aches is felt. Its causes are the following ones:

of small the épanchements of blood caused by rupture of the blood capillaries
of the microphone-traumatisms involving a lysis of the muscular cells.

And not the Lactic acid as it is often explained. This last is unable to be the cause about it because it disappears one hour after the effort, that is to say well before the appearance of the aches. It cannot thus be held responsible for the inflicted damage with muscle fibers, nor thus of the aches, especially if one takes into account the fact that muscular contractions of eccentric type - which one knows that they are those which cause the most aches - are about not accompanied by production of lactic acid.

Reference

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