Try this traditional Pilates mat workout for a deep burn ...
Trinny's PT Nathalie Hayward guided her through moves that develop back, core and spinal stability ...
Fit&Well on MSN
A trainer says these three simple exercises are the secret to a strong core—here’s why
Dejon Noel-Williams says these no-equipment moves will teach you how to keep your core stable while the rest of your body ...
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