High Strength Restrictions And Self-Lubricating Bearings Are Applied To Improve Service Life And Safety. An Elliptical Trainer Is Perfect For Older People With Sensitive Joints, Or For Those In Rehabilitation With Leg, Foot Or Joint Problems. It Provides Low Impact Cardio Training As Beneficial As Walking, Running Or Jogging Without Causing Stress On The Knees, Joints And Lower Back. It Comes In Assorted Colours