now, if you kick, and your foot hits their kidney, like a front on round house, and you hit their kidneys, is that a good kick? and is it illegal in either mma/muay thai, because i know kidney hits are illegal. 2nd, whats the best work out to get a bigger chest, i have a chest deformity so i find it really hard to put muscle on there, i could upload a pic if you guys think it would help. i also when i do shoulder flys, ( starting with the dumbell at your hip, and raising it to a right angle to your ribs, i hear/feel a little click in my right shoulder, it hurts alot after i push through it, HELP?