### weight:

Weight training
* Some weight training is also helpful in preventing bone loss.
* allows the muscle to contract against the pure force of the weight or tubing.
* are strength training.
* builds muscle mass
  - muscles and therefore increases metabolism
  - strength to improve performance in other athletic activities
* burns fat by boosting metabolism
  - more calories per minute than cardiovascular exercise
* can aid in increasing bone mass while decreasing the risk of falls and fractures.
* can also increase our metabolic efficiency, making weight maintenance easier
  - the metabolic rate a second way
  - enhance a person s health and well-being
  - increase strength and help prevent injuries
  - prevent or at least delay the onset of clinical osteoporosis
  - rebuild muscles that illness or corticosteroid use have weakened
* causes increased use of free fatty acids during recovery periods.
* enables the body to burn fat and gain muscle at the same time.
* has a positive effect on a person's mental well being
  - many similarities with other kinds of strength training
* helps convert the extra calories into muscle rather than flab
  - relieve stress, frustration, and anger
* helps to balance out the body
  - fight degenerative muscle and bone loss
  - maintain muscle mass in an aging person
  - women lose body fat and build lean muscle
* improves cardiovascular fitness
  - muscle firmness and density
* improves strength, endurance, metabolism, and heart function
  - speed, and flexibility
  - walking endurance in healthy elderly persons
* increases bone density and decreases the risk of osteoporosis
  - fat -free mass and strength in untrained young women
* increases muscle mass more than other exercises
  - which can increase metabolism
  - speed, flexibility, strength and endurance
  - the number of myofibrils inside each cell
* injures joints.
* is also a good way for athletes to maintain fitness during the off-season
  - beneficial for middle-aged and older people
  - the most efficient way of increasing lean muscle mass
* is an integral part of conditioning
  - good health for people of all ages
  - designed to build muscle tissue, which is very metabolically active
* is important at all ages
  - because it increases muscular strength
  - to the female athlete
* is one of the best ways to maintain muscle mass
  - most versatile of all athletic activities
  - recommended to help adults retain muscle mass
* is the best exercise around for modifying body composition
  - way to build strength
  - cornerstone of a lean body and a fast metabolism
  - current term for the use of bar bells
  - equivalent of hitting the cue ball
  - most widely used and popular method of increasing strength
  - only way to increase lean tissue and the only way to tone and shape muscles
* leads to greater muscle fitness, which in turn boosts metabolism.
* produces faster results and helps prepare the body to participate in sports.
* protects existing bone and helps build bone mass.
* safe kind of exercise when the motion is slow, controlled, and careful.
+ Weight training, Reps, sets, tempo and rest: Fitness
  - Safety
  * Weight training is a safe kind of exercise when the motion is slow, controlled, and careful. In similarity to many things, doing it wrong or without care can result in hurting oneself
  - Weight training and bodybuilding
  * Weight training has similarity to bodybuilding, but they have different objectives. Bodybuilding uses weight training to help make  muscles larger and goodlooking, without care for more strength. They train to make their muscles larger and get low levels of body fat. Many weight trainers train differently and for the result of being strong and doing difficult things for a long time while not thinking about dropping body fat far under normal