The standing cable high-to-low twist is a core exercise targeting the lower abdominals and the obliques. Take care to perform it with control, as opposed to violent twisting which can injure the back. It is usually performed for moderate to high reps, at least 8-15 per side, as part of the core-focused portion of a workout.
Builds core strength and muscle control
Also works the shoulders, arms, back, and lower body
The cables provide constant tension on the muscles