Colleen Quigley’s five minute core workout  Canadian Running Magazine

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Colleen Quigley’s five minute core workout – Canadian Running Magazine

Austin’s fat attack – Chicago Sun-Times

Austin's fat attack
Chicago Sun-Times
Zone One is an abs/core workout that incorporates moves you'd find in Pilates mat classes. Your abs will burn pretty good if you don't normally work out

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Austin’s fat attack – Chicago Sun-Times