Alright, so I'm a VERY tiny guy - 6'1 and only 125 pounds. Recently, after getting sick of all the jokes people have made about my extreme lack of muscle, I decided I need to start lifting weights. 2 weeks later, I'm noticing I'm only getting weaker. Ok so it sounds crazy right? Well thats what I'm thinking, so I am really open to anyones advice on this. I follow a workout that takes about a hour to do and hits all of my muscle groups. I generally do 2-3 sets of 10 reps. Problem its its only getting harder and harder to meet that amount. For instance I started bench-pressing 100 lbs, and was able to complete my sets. I waited a day of rest and went back to the weights, and I was only able to do 6 reps in the third set. After another day of rest I went back and was only able to do 8-8-5, and its generally following that trend. Any ideas?

Obviously, the lack of results show that you need to

Train harder
Eat harder
Sleep harder

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It could be that you are not giving your muscles enough rest. Stop working out for a week. Then when you resume next week you should be back to your normal strength. If you are doing a full body routine do it no more than three times a week. If these things i said above do not improve you results in a few weeks, switch to two times a week.

Also as the above poster said you must eat more. A lot more. That is the key to gaining muscle. Increase your calorie intake per day by 500. That should be a good start. Make sure you eat lots of protein, (Your bodyweight in grams is a good amount per day) And also make sure you are eating at least relatively healthy so you get all the nutrition you need. A multivitamin is probably a good idea. And make sure you get like 8-10 hours of sleep a night.

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ye your muscles will be screaming out for protein to generally replac and repair the damaged muscle tissue which makes it bigger and stronger. Taking supplements may help give you more calorie but you have to know what your doing when taking em.

Yeah I agree with the others, you need to eat a lot more, including protein. Try drinking milk if you don't feel like eating, there's a fair amount of protein in milk.

and its good for the bones lol. But dont get like the milky way kid.

Yea I figured I needed to change my eating habits. But what do you mean by What do I need to watch out for?

Not doing enough excersize because you get alot of calorie intake from supplements and you put on weight when you dont use the protein and carbs which are in the sups. Im no expert but that is the basic stuff.

ah i see thanks