The key to all these products is that they can be used with any level of strength, and all these products work for all the common problems of all athletes. I would encourage everyone to read the reviews before making a purchase. If you find that one product will work for your specific situation, you may want to try it. For example, if you have knee problems, try the Powerlifting -Proximal Power Plank. This is a great, easy to use, high impact device. It also helps you stabilize your body with a good arch and it is extremely easy to use. The video below shows a review of this product. The next product is the Elite Mobility System, a device that I really like. It is designed specifically for Olympic lifting. It is made for your legs and it helps you with a lot of exercises. I recommend it to everyone who has problems with back pain, shoulder pain, and mobility. In my opinion, it is the best mobility device that I've seen and this is why I put the most time into the review. If you have a problem with shoulder, I would recommend this device.
I have seen videos that show people performing the exercises while moving forward and backward.