The Brand New Surf training Tool "The Powerstroke bungee cord" is a resistance training tool for improving all upper body strength for surfing.
If used regularly it will improve all the major muscles involved in paddling for surfing. The powerstroke bungee will also improve your aerobic surfing fitness and major muscles for surfing paddle power.
THE DETAILS:
Latissimus dorsi - major muscles along side the back
Trapezius - muscles that help support the head above the shoulder blades
Triceps - back of the arms
"Powerstroke bungee" comes with 2 inter changeable 3m bungee cords with 2x handles the cord can be attached almost any where for a surfing work out!