Fig. 1From: Sodium Intake During an Ultramarathon Does Not Prevent Muscle Cramping, Dehydration, Hyponatremia, or NauseaRelationship of percentage change in body weight from immediately before the race start to the finish with rate of sodium intake (top) and total sodium intake (bottom) for the 20 race finishers participating in the dietary analysis. The open circles distinguish those finishing with hyponatremia. The subject with the lowest plasma sodium concentration had the lower sodium intakeBack to article page