(Used on the PowerSkater Unit Only) Medium Duty Cord Set (2 Cords): Variable resistance comes through the concentric loading of the elastic cord -the greater the stretch, the greater the resistance, thus increasing your strength, muscular endurance, and muscle size The elastic properties of the cord are transferred directly into the muscles that are opposing it. The coaxial construction provides for a protective sheath encapsulating a network of rubber bands throughout the length of the cord.
- Protective Sheath made of Polyester & Cotton
- Multiple Series of Elastic Rubber Bands inside each cord
- 7 – 45 lbs. of resistance (ages 13 – Recreational Adult)
- Snaps on each end of the assembly