About: http://webisa.webdatacommons.org/158321994

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	After a given time interval, for example six seconds, the user may increase the stretching of the trunk extensor muscles by pulling his trunk further toward his legs.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com