The sit-up bench involves exercises that strengthen hip flexors and abdominal muscles, as well as the quadratus lumborum muscle. A sit-up squeezes your abdomen and stretches your back.
Flat Bench the minimalist look fitness product.
Strengthen your abs
The Flat Bench's handle can be utilised as a leg rest to facilitate movement.
The Flat Bench comes with a simple design but maximizes functionality.