Author Affiliation: Department of Family Practice, University of California Davis Medical School, Davis.
The report by Garrison et al1 contains new useful and well-documented observations. However, the authors should have explained that the data in the cited study by Coppin et al2 did not support the authors' conclusion that calf stretching is ineffective in the prevention of nocturnal cramps.
Daniell HW. Calf Stretching Prophylaxis for Nocturnal Cramps. Arch Intern Med. 2012;172(12):970-971. doi:10.1001/archinternmed.2012.1393