About: http://webisa.webdatacommons.org/445756145

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	Below is an image that displays specific pivot points during your serving motion and is labeled as each of the main muscle groups are activated in Sequence.
http://www.w3.org/ns/prov#wasQuotedFrom	tennisopolis.com