About: http://webisa.webdatacommons.org/228088096

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In some cases the knee will at times ???lock???, causing a feeling that there is a block that is preventing the knee from bending and extending.
http://www.w3.org/ns/prov#wasQuotedFrom	everydayhealth.com