Fig 1From: Muscle Cramping During a 161-km Ultramarathon: Comparison of Characteristics of Those With and Without CrampingFrequencies of muscle cramping, near cramping, and either cramping or near cramping (combined cramping or near cramping) during the four course segments. Frequencies are shown relative to the number of race participants who ran the specified course segment. Within groups, there were no differences in frequencies across course segmentsBack to article page