About: http://webisa.webdatacommons.org/230181381

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	The present invention is particularly effective when the hand and arm are positioned at a downward angle of 110 degrees down to 160 degrees relative to the vertical upper arm.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com