The indigo r2 prone leg curl indigo fitness was formed in 2014 by the merger of indigo23 and leisure lines indigo specialises in equipment for weightlifting strength and conditioning all strength equipment is designed and manufactured at their factory right here in the uk key features of the indigo r2 prone leg curl angled bench isolates hamstrings and reduces lower back strain adjustable leg pads hand grips placed in a natural position for increased stability side drive for easy access to