yeah, but you have to be really careful. Lifting weights or "overdoing it" in early adolescence puts you at higher risk for injury, sometimes permanent.
Lifting weights
Lifting weights is an exercise
You won't get a six pack doing cardio. Look into weight lifting.
Do torso and chest exersise every day and lift weights.
Lifting weights = subject builds muscles = predicate
it just means lifting weights that is not on a machine like using a curl bar
This answer depends on your diet. If you continue to consume the same amount of calories after you quit lifting, then yes you may get fat. Lifting weights burns calories and muscles need these calories to build more muscle. If you quit lifting weights, your body no longer needs as many calories. Also, your metabolism will slow after you quit lifting weights. Now, if you quit lifting weights and also cut calories, you will not get fat.
it's the feeling you get after lifting weights where everything feels lighter and werid. not only after lifting weights but also putting leg weights on etc.
Lifting weights.
Exhale while lifting, inhale while relaxing.
You can avoid injuries in weight lifting by doing a warm up session before you begin lifting weights and ensuring that you use the weights appropriately.