Embodiments of the disclosed subject matter relate to an exercise device for torso rotations. The device includes a rotating assembly including an inclined, elevated, backwardly-oriented back rest and optionally a head rest and an arm assembly. The rotating assembly is configured to a effect a side-to-side rotation around a pivot point elevated above a base of the device and around an axis oriented along the device. When the user leans weight his upper back on the back rest to elevate his/her upper back, s/he may effect torso rotations that, in some embodiments, are resisted by a resistance assembly of the exercise device.