The Clark is one of three models that I have of the chi machine. I have a Sun Ancon SM330, a USJaclean Vitalizer, and this Clark Exerciser. The Clark is easily available used at a really good price, so it's accessible as well as being a high-quality machine. One unique aspect of the Clark is that it maintains a set speed with or without a load because somehow they made it like a cruise control so if you take your feet off while it's running, without a blow job here at speed up, but it quickly readjusts to run the speed it should at the level it is set to. Same thing if it's running and you put your feet on it it slows down because of the load, but then, it quickly readjusts it's it's speed as necessary to run at the correct speed for setting chosen. it has a wider slide and this imposes more passive movement on the body than the Sun Ancon. The Sun Ancon SM330 really is the best machine, but even used it is way more pricey than the Clark machine. it is the machine with the patent and all of the others or knock offs. it just goes one speed that they consider to be ideal because of entrainment for the heart and brain systems but its movement is much more efficient and I think it is easier on the body. The US Jaclean Vitalizer well, it has the best foot cradles--really soft, you don't need to add anypadding to them--but mine (and they sent me two of them) really takes the hit with a load. For a thin person, the Vitalizer might not make much of a difference when weight is low, but for me there's a big speed hit in slides per minute with a load, and the maxhine doesn't doesn't readjust itself to a specific speed. the Clark is the most accessible, offering high quality at a good price used. after happening onto this type of machine on April 9, 2017 and using it daily ever since, I have seen many health benefits. for this reason, i purchase Clark machines when they are on sale at a good price to give to other people who might also be able to receive health benefits from this type of very active passive exercise.Read full review
Verified purchase: Yes | Condition: Pre-owned
A chi machine was recommended to me as having great benefits, but I have yet to experience any benefits. I have not given up and will keep trying.
Verified purchase: Yes | Condition: Pre-owned
very durable, solid and therefore a bit heavy to move around a lot so I just leave it out all the time for easy access. I use it two different ways lying on my back or lying on my stomach with knees straight.... love the warm tingling feeling after a treatment
Verified purchase: Yes | Condition: Pre-owned
I love this! I tend to have swelling in my ankles by the end of each day, and when I stop to exercise on this during the day, it minimizes my problem because it improves my circulation in my lower legs. It also relaxes my lower back, keeping me from having low back pain. Great purchase!
Verified purchase: Yes | Condition: Pre-owned
This exerciser is he best exerciser that I ever owned. I highly recommend it. WARNING: The user must read the booklet that it providers on it's web page This is a 5 sfar machine.
Verified purchase: Yes | Condition: Pre-owned
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