That feeling will be amazing and can't be described in words..
Yes its ok and you can buy it from gymcompanyusa.com...
they have wide ranges of equipment available with them
Running is good you can lose weight and remain fit. Instead of choosing equipment of your choice it's better to ask some trainer which equipment suits best to your body..
Yes I have heard abput it you can take treadmills from your gym
Yes there is difference between impact and injury..
I haven't heard this before but if this occured continue with the old one...
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