<http://webisa.webdatacommons.org/44290275>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<drbookspan.com> .
<http://webisa.webdatacommons.org/44290275>	<http://www.w3.org/ns/prov#value>	"Certain pop fitness and PT exercises say to tighten or brace or draw in abdominal muscles, squeeze together shoulder blades or gluteal or other muscles." .
<http://webisa.webdatacommons.org/prov/268828098>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/44290275> .
<http://webisa.webdatacommons.org/44290275>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .