How to put muscle on your pitbull?

ok so I started excersing more than usual intensly with muscle training last week and accrding to the scales I put on 5 pound...

I am a 15 year old in high school, and can't put on any weight. I eat all kinds of fatty foods, and food that is supposed to ...

What are some good ways to develop fast twitch muscle fiber? Anyone know?

I don't even know if that's what it's called..I mean like, what can you not do if you tear it? Or do you need to have surgery...

I heard that when running, the most used muscle is your abdomnal??? is it true??

what are the major superficial muscle groups? what do they do? how do they work?

Right this afternoon I went to my local swimming pool to see friends that have been away over the xmas break (and to mess abo...

Ok im 6 foot nuthing my weight goes from 140 to 150 pounds and back again and a day. I would really like to sit around 165 17...

I just want to know...what will be the perfect protien drink for building muscle...and gaining weight...I go for gym daily .....

I used to be really skinny, but had no muscles. After about my 2nd year going into high school I started to put on a little w...