Tune Up Fitness Coregeous Ball Newly Updated Packaging Jill Miller Use Ball to Massage and Activate Your core and Stretch Your Psoas Graphite sold2026 See the SWOOC difference

See the SWOOC difference

triathlons and other athletic competition

Minimizes muscle oscillation and micro-tearing

Since 1977

Tune Up Fitness Coregeous Ball Newly Updated Packaging Jill Miller Use Ball to Massage and Activate Your core and Stretch Your Psoas Graphite sold2026 See the SWOOC differenceTune Up Fitness Coregeous Ball Newly Updated Packaging Jill Miller Use Ball to Massage and Activate Your core and Stretch Your Psoas TheCoregeous Ball is an inflatable air filled sponge ball with a unique soft stretchy "skin" that's used in conjunction with the Coregeous DVD to massage and activate your core and stretch your psoas. This special tool allows you to gently and safely access your innermost abdominals. (approx. 20" round circumference