Spin Strong

spin strong - the mistake-free jump rope trainer jumping rope is a great workout, but all the mistakes are a bummer. not anymore. new spin strong trainers are the first arm exercisers that use air resistance, just like a jump rope, to provide the same great exercise, but are super easy to use. instead of spinning a rope, a pair of compact fin-cords are spun at your sides. just spin your arms and start jumping. you are an instant expert and never make mistakes. now everyone can enjoy all the benefits of jumping rope, including improved cardio conditioning, coordination, strength, quickness and endurance. with little or no practice, you can do advanced jumps, such as side to side, criss cross and jumping on one foot. no rope means your arms are free. you can do many different arm exercises, covering all planes of movement and improving arm strength in all directions. likewise, you can include additional leg exercises, such as lunges, squats and any kind of jumps. you can exercise c