Yes, this means your body was challenged and its used to being worked now.
Try doing a different training and if your lifting weights add some more weight.
Try to use light weight for the first two months.
I would say 17 or so before getting serious about training.
ANSWERPlateaued.Example: Shelly's weight plateaued after losing steadily for several months.
Yes, there are several sites that offer online tutorials regarding weight training routines. Here are the links to a few sites www.findingdulcinea.com/guides/Sports/Weight-training.pg and www.readablog.com/feed57096.aspx.
3 months minimum.
oh yea
Getting old, stressed out, disease.
For free weight training I would look in to http://www.sparkpeople.com/resource/fitness_articles.asp?id=1033. It is a very informative article that discusses the benefits of weight training and gives you tips on weight training.
weight training strengthens your skeletal muscels
The only short-term response to proper weight training that you are likely to notice is DOMS (delayed onset muscular soreness), which you will probably experience a day or two after training. (To ensure systemic recovery, it is important to wait one or two days after all DOMS has disappeared before training again.)Your skeletal muscles, bones, and connective tissues (ligaments and tendons) will all benefit from proper weight training. If you are also eating well and getting sufficient rest, you may actually be able to see changes in the mirror in a few months.
This a workout fitness routine that uses a combination of cardiovascular, strength training and weight training. Using a combination of exercise keeps the workout from getting boring.
It can be either. For example, if you have been eating unwisely and getting little or no exercise it will be fat. If you have been weight training and eating wisely it will be muscle.