to make you build muscle without you hurting yourself. you will build muscle faster with it but it also keeps you safer. dont ask me how it just does.
the purpose of a quick change gear box (as the name suggests) is to allow you to change gear quickly.
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.
A good website to check out is www.homefitnessequipment.org. They have various different work out apparatuses and they are reasonably priced. There is equipment for weight loss, toning, muscle building, and any other form you could want!
weight training strengthens your skeletal muscels
Strength and possibly power (depending on the type of weight training)
To increase torque.
The main purpose of weight training is to gain muscular strength. Other purposes include building the size of muscles, adding definition and muscle tone, decreasing reaction time and improving reflexes, practicing sports skills (such as a baseball player who takes practice swings with a heavier bat), improving or maintaining general bodily health, and relieving stress.
80W90 gear oil.
It is GL-5 and the weight is 80/90 gear oil.
Muscle training is lifting weights and weight exercises
To tramsmit power at a 90 degree angle from the input.
well there is weight training, fartlek,continuous, interval , circuit, flexibility and weight