Foldable Hyperextension Bench Black/WhiteWhat Are My Advantages With the Foldable Hyperextension Bench? Abdominal and back exercises are among the most important exercises in the core area and should never be neglected. Regardless of whether you are already in training, practising a particular sport or can be found at school or work at your desk: the corresponding back and abdominal muscles should be trained to create a balance and counterweight. The foldable hyperextension bench from