Dear Bizi,
The leg press works the quadriceps -- these are important muscles.
You can go to youtube to check for the correct form for doing Lunges. Be careful of your knees by keeping them at the right angle.
http://www.youtube.com/watch?v=dJ95qwNaD78
Is this what that trainer talked about?
Quote:
This shocked her. now tell me who wants a bigger butt?
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Some people want a more shapely butt. Also, a strong butt can help the other muscle groups in the body (the back, the quads, . . . . )
See this link for muscle groups for the lower body
http://exercise.about.com/od/exercis...k_and_Arms.htm
M.