Stretch cords are good for a variety of exercises for Prehab, rehab, and for training the front end of the freestyle stroke. However, the Vasa Ergometer offers so much more than stretch cords or tubing.
First, you can get objective data. In fact, there is no other way you can truly learn what your power is when you are swimming. It can't be measured in the water, and it certainly can't be measured with tubing. With the monitor and the ability to measure watts or R&L arm force production, you can truly see how strong and powerful you are. Second, there is variable resistance - 7 different door settings - air resistance that feels a lot like water. Third, you can do very similar workouts than you can do in a pool... 500-600 meters or up to 3000-4000 or more if you are training for long course racing in triathlon or if you are an open water swimmer. So the options are endless with the different ways you can train with the Ergometer, stretch cords have just a few exercises. In fact, in the 5 years I've had my Ergometer, I continue to learn new ways that it can enhance your training time, your training effectiveness and training efficiency. So unequivocally, this is so much more valuable and it does well beyond what you can do with tubing or stretch cords.
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