Your muscles are the strongest parts of your body, even if you work you muscles to exhaustion, they will not hurt. It takes an awful lot to make your muscles hurt.
If you are going to be running, it is a good thing to stretch, but more importantly than stretching before you workout is stretching after to get the ketones out of your muscles and prevent exhaustion.
No, your fingers do not get bigger when you workout. Working out primarily affects your muscles and overall body composition, but does not directly impact the size of your fingers.
A good chest workout is to do bench presses. I think it's the best choice for working out your chest muscles. Good luck and have fun working out.
No, muscles do not get smaller after a workout. In fact, they typically get bigger and stronger as a result of the exercise.
Cardiovascular workout does not help in burning out muscles. On the contrary, it helps in burning out calories.
The skull crushers workout primarily targets the triceps muscles in the arms.
You may not be hydrated enough before your workout. Muscles will often feel funny or shaky if they are deprived of water during a workout.
Muscles may appear smaller after a workout due to temporary swelling and inflammation caused by the stress of exercise. This can make the muscles appear less defined or "pumped" immediately after a workout.
Depending on what you eat you could. However you should have a light protein snack after a workout such a protein shake or apple with peanut butter to replenish some nutrients that your body used while you were working out and to help heal the muscles after a workout.
The ghetto workout will not guarantee that you build those muscles. As with any workout program different people have different results on each program.
All you have to do is workout.
A punching bag workout primarily works the muscles in the arms, shoulders, chest, and core.