Hey there buddy, well as for speed, i would advise doing some plyometric training for explosivness ..... im 140lbs & i do alot of training for my kung fu, plometrics will improve your explosivness safely. Hope this is of some help
Omid
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"i said empty your mind. B formless shapless like water. U put water in a cup, it becomes the cup, u put water in a bottle it becomes the bottle. Now water can flow or it can crash ... b water my freind" - Bruce Lee