About: http://webisa.webdatacommons.org/364014059

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	It hits all important facts about your knee, and targets the muscles that are mostly responsible for its strength - basically the quadriceps and the hamstrings.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.com