[Ridenour]

Here's a few things to try:

Start drinking two glasses of milk a day. The protein and calcium should deffinately help you grow. Also, increase your water intake. Most teens are continuously dehydrated, and they don't even know it. Drink even when you don't feel thirsty. Try to drink more fluids, and eat more proteins (like meats) and carbs, like bread, spaghetti, ect.

As far as the working out thing goes, a few things are important. Whatever it is your doing, recovery is KEY. You NEED recovery time. I would reccomend two days in between workouts. Unless your alternating muscle groups. Either way, work out hard and heavy until PMF (partial muscle failure) Do heavy weights and low reps - this will help build mass. After you work out, make sure you get some protein (cans of tuna are great for this) and drink lots of water. Sleep is VERY critical as well. Sleep is a BIG factor in determining height, and muscle growth. It lets your spine stretch so you grow taller, and alows your muscles to repair themselves. If you workout, without proper rest and nutrition, your muscles can actually break themselves down. You MUST give yourself recovery time, and nourish your muscles with protein in that time. It'd be great if you could incorporate some kind of protein or other suplements into your workout, but seeing as how your only 15, I can see it may not work out for you.

So basically, STOP working out every evening. Only work out every few days. Do it hard and heavy for a short period of time. Intake protein and water after, and before workout if you can. If you don't have signifcant protein available, I would reccomend stopping working out until you can get some. It also helps to go for a brief run before a workout, due to the fact that it gets blood in your muscles prior to using them.

Develop your own exercise program, incorporating PLENTY of REST and proper NUTRITION into it, and you should start to see good results. Before you start your new plan, I would reccomend taking 2 weeks off from whatever working out your doing right now. Your muscles need to reset themselves and rest to give yourself a platform to start your new workout on.

I know things like supplements and stuff probably aren't easy to come by for you, so I've tried to keep everything simple. Main things: RECOVERY & NUTRITION. Good luck - Keep with your new plan, and after a few weeks you should start to feel better and see results.