BodyKore GR617 Selectorized Rotary Torso Medical Saunas How Does Firefly Work

How Does Firefly Work

4 lbs / 102 kg

Use the bench with a set of dumbbells to work your biceps

the Edge is great for adding a new dimension to mat work classes

reducing pressure on the back and improving circulation in the legs

BodyKore GR617 Selectorized Rotary Torso Medical Saunas How Does Firefly WorkBodyKore GR617 Selectorized Rotary Torso The BodyKore GR617 Selectorized Rotary Torso trains the rotational musculature of the core external and internal obliques through a controlled, guided spinal rotation arc that loads the twisting movement pattern directly. Unlike cable rotation exercises where stabilization demands limit usable load, this machine eliminates unwanted movement planes and allows progressive overload in the rotation pattern alone.