About: http://webisa.webdatacommons.org/319358337

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	If you feel stiff in general or your knees start to bend or you realize you are bending from your torso rather than properly bending from your hips, your hip extensors, mainly gluteal muscles and hamstrings are tight.
http://www.w3.org/ns/prov#wasQuotedFrom	huffingtonpost.com