BL100 Flat Bench
The sit-up bench involves exercises that strengthen the hip flexors and abdominal muscles, as well as the quadratus lumborummuscle. A sit-up squeezes your abdomen and stretches you back.
The sit-up bench involves exercises that strengthen the hip flexors and abdominal muscles, as well as the quadratus lumborummuscle. A sit-up squeezes your abdomen and stretches you back.