5ft9 154lb lookin to gain muscle weight. my current workout is press behind neck 3x10, upright rowing 3x10, bench press 4x8, squat 3x10, leg extenions 2x14, leg curls 2x14, chin ups 1x14, curling 3x10 and bench dips 2x14. i do this twice every monday and wednesday. i was wondering if this workout would be better: monday back, bicep, legs, abs and forarms: chin ups 3x10, curling 3x10, squat 4x8, leg extenions 2x14, leg curls 2x14, sit ups 2x30 crunches 2x30. wednesday shoulders, chest, tricep, abs and forarms: press behind neck 4x10, upright row 3x10, dumbell forward raise 3x10, bench press 4x8, dumbell flys 3x10, standing tricep exetenion 3x10, bench dips 2x14, sit ups 2x30, lying leg raise 2x30.and am thinking about joining a boxing club on fridays which will be my cardio. thanks for taking the time to read this and would appriciate any tips and comments. 