Meet the Ab Coaster CS3000: a commercial ab trainer that takes your core training to the next level without putting unnecessary stress on your neck, back, and shoulders. It has a curved track that mimics natural spinal flexion. It has a free-swivel motion seat that lets you try oblique training.
More gadgets like this ➡️ : here
You can add up to 3 plates per post for a training range from 20 to 80lbs. This exercise machine has 450lb capacity.
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