the benefits and risks of exercise and youth

The Benefits and Risks of Exercise and Youth

Unsupervised physical activities among children have been discouraged for various reasons . Children 's safety , physical and emotional development , and interference with bone and muscular growth became rising concerns . Everyone 's physical fitness levels declined in all areas . As a result , today 's youth are faced with dealing with adult diseases heart disease , obesity , lack of flexibility and muscular atrophy . Muscular strength increases through muscle size and the more efficient recruitment of existing muscle fibers (Williams , 2004 . The first Mr and Ms Olympia title

holders worked out with plastic dumbbells and no certified personal trainers in their teen years they are all in excellent health today . The time to build strong muscles and a skeleton system is in the pre-teen and teen years " HYPERLINK "http /www .questiaschool .com /PM .qst ?a o d "A Fitness Center for " 2005 ,

. BS1

The central nervous system , the muscles , and the skeleton all develop some changes are prescribed by heredity , but our biological heritage is modulated continuously by our environment and our life experiences HYPERLINK "http /www .questiaschool .com /PM .qst ?a o d (Clark 2007 ) Infants gain strength and balance to lift their heads , roll over , sit up , stand , and walk . Infants physically exert and push their bodies to maximum physical limitations they are capable of while progressing through all these stages . Weight trainers apply the same methods when working out

Weight training is not a complete fitness program . All physical activities decrease flexibility unless stretch routine equals the sport Weight training will not enhance other athletic skills . Experts claimed weight lifting decreases flexibility , but all physical activity does such as running , walking , hip-hop dancing . A five or ten minute warm-up is not adequate stretching . Tight muscles limit overall mobility leaving the exerciser more prone to injury at all times . A fully equipped gym repeatedly exercises the same muscles , in the same way leaving certain areas of the muscles unused . Six upper body weight machines targets the triceps , biceps , shoulders but there are no machines using the supporting and connecting muscles . For a preteen or teen , male or female , internal and external muscles used for growth may be unbalanced causing lifelong problems . The exerciser does not have to workout at athletic levels to develop an unbalanced muscular system during growth periods . Students who carried book sacks on one shoulder is now developing problems with physical alignment . Weight training can have the same consequences

Society learned to be overly cautious about exercising without supervision for various reasons . Sometimes they have the targets best interest in mind . Sometimes it is nothing more than a controlled factor Youth , kids , teens and preteens incorporated physical activity into their lives without certified trained professionals for years . The earliest body building champions , Lou Ferigno , Schwargeneggar , Rachel Mclish trained with plastic dumbbells wherever they could , without certified trainers or modern gyms . Young people who are in acceptable physical health considering weight training programs will increase internal physical health , bone development , decrease chances...