Do compound exercises while lifting heavier weights that'll only allow to do 3-to-5 reps (instead of 3-to-10 reps)and you also want to avoid isolation exercises when trying to build muscle fast because...
The more you can break down your muscles (or the more micro damage you can cause to your muscles) when you work out = the faster you'll build bigger and stronger muscles and...
You can break down your muscles a whole lot more when you do compound exercises using heavier weights for only 3-to-5 reps and...
Look at it this way...
Can you just do both? For example on my chest/tricep day I do chest press first, tricep dip next, then shoulder press and then i do the isolation exercises (pec dec fly, tricep extension and front raise). I always lift as much as I can for the compound exercises first so I don't see the problem?
Multi-joint compound exercises are awesome for stimulating muscle growth. I see so many guys performing isolation exercises and expecting to build muscle mass, but it's just not the best way to go. I wish everybody would just get over the wimpy isolation stuff and start squatting already! 
i was 10st when i started working out 6 months ago now i am 12st. i have noticed my arms and pecs are not getting any bigger, and i only have a 4 pack. the problem is my muscle is not looking really ripped, i think it might be my diet
please give me some advice
You just need to lose some fat...
do this fat loss plan here to get ripped or...
1. Get motivated to build muscle fast...
2. Go on a muscle building plans...3. Use The best muscle building supplements
4. See tips on how to build muscle fast...NowLoss.com → How To Look Good Naked → See people who've used NowLoss.com to Look Good naked
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