Hey welcome to the board and best of luck to ya on the path to fitness. Regarding squats, do a bunch of them with just body weight before you go in the rack. I generally do 30 or so. Make sure that your chest is out, head is up and weight is going down through you heels. Then if you want to add weight without going in the rack try holding dumbells. If you can hold 2x20lb db then you will be ready to do the bar and squat. It is fun and you can't possibly look any more ridiculous than the idiots who are doing curls in the rack all the time.
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