About: http://webisa.webdatacommons.org/253837604

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	Exercises such as the Russian Twist and sit-ups and crunches are good.The Plank help[s strength the core; try to hold it for around 30 seconds at a time and increase as you get stronger.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com