'(<a href="http://www.j-archive.com/media/2006-12-07_DJ_05.jpg" target="_blank">Kelly of the Clue Crew sits on a fitness ball in a gym.</a>) A fitness ball strengthens the abs  and back, together called this region like the one in the Earth's center'
core
C PLUS: A fitness ball strengthens the abs  and back, together called this region like the one in the Earths center
A fitness ball strengthens the abs  and back, together called this region like the one in the Earth's center
A fitness ball strengthens the abs  and back, together called this region like the one in the Earth's center
"C" PLUS
core
"C" PLUS