About: http://webisa.webdatacommons.org/94545160

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	When both muscles work together (bilaterally) it enables the head to move towards the chest as if we are nodding or looking down (flexion).
http://www.w3.org/ns/prov#wasQuotedFrom	untietheknots.com.au