ULTRA WIDE - built-in spring back resistance and ergonomic handles to help maximise results of ab roll-out exercise giving extra stability when curving left, right & centre for targeted work on obliques
INTERIOR SPRING BACK KENETIC MECHANISIUM - uses a carbon steel spring to provide resistance and amplify abdominal and arm workout
While most ab rollers feature flat wheels that only allow rolling straight out and back, the Ab Spring back roller features a wide spherical wheel that helps users engage all ab muscles aiding in deep core muscles strengthening, whilst stabilising the pelvis and spine
Ergonomic hand grips are angled to activate arm and core muscles.
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