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Message: <blockquote data-quote="shay" data-source="post: 1456875" data-attributes="member: 231222">i dont really need to lose much weight, but i'd like to tone up.my arms are fine, but i want to tone my thighs, stomach, and back. I could probably handle losing some weight on my thighs.I'm 4'11", 16 years old, and 100lbs. (im not underweight for my height. i know that sounds tiny but its normal for my height.)I have some knee problems so i can't really run. High impact hurts it. thats the only issue.So does anyone know of any exercise routines i could use to accomplish that?</blockquote>