:Loop mark
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Loop marks are a cutaneous condition, caused by beating with a doubled-over cord.{{cite journal |last1=Pressel |first1=David M |date=15 May 2000 |title=Evaluation of Physical Abuse in Children |url=https://www.aafp.org/afp/2000/0515/p3057.html |journal=American Family Physician |volume=61 |issue=10 |pages=3057–3064 |pmid=10839555 |access-date=16 May 2019}} They are perhaps the single most characteristic finding in child abuse.{{cite book |author=Rapini, Ronald P. |author2=Bolognia, Jean L. |author3=Jorizzo, Joseph L. |title=Dermatology: 2-Volume Set |publisher=Mosby |location=St. Louis |year=2007 |isbn=978-1-4160-2999-1 }}