Facilitaties Extension And Flexion Exercises Isolate Extension Of All Fingers And Individual Finger Joints Develop Isolated Finger Strength Flexibility And Coordination Vary Resistance By Changing Toa Different Color-coded Rubber Band 4 Color-coded Band Resistance Levels (tan Yellow Red Green) Allow Each Muscle Or Joint To Work At A Comfortable Level And Build As Increased Strength Is Achieved For Rehabilitation Of Carpal Tunnel Arthritis Stroke Fractures Tendon Injury Nerve Lacerations Tennis Elbow And More...