Cramps or "almost cramps" are common in long trail running races and mainly concerns very active muscles.
There are 2 main theories: muscle fatigue or hyperexcitability of nerve endings with a electric imbalance.
Is pickle juice a solution?
Follow our advice sheet: salt, water, magnesium ... are false information and can even be life threatening.
Our Tips & Recommendations (EN)Your supply stands must be adapted and the advice disseminated before the race.
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