Introduction of Fitness

Definition of Fitness

The word "fitness" means the ability to perform physical activities. This includes the strength of your muscles, joints and ligaments, the state of your endurance and the power in which your body is capable of moving. this does not mean "health".

A person who is fit may not necessarily be healthy and a person who is healthy may not necessarily be fit. "Health" covers a wide array of components which are usually under the umbrella word, "Wellness."

"Wellness" in essence, covers all areas of health: mental health, emotional health, physical health, spiritual health, social health, relationship health, and so on. Basically, these are all the different components in a person's life that can affect their overall "well-being."

So when it comes to "fitness". a person may be fit -be active, participate in sports, be able to lift weights, change the shape of their body, run, jump, and increase their cardiovascular capacity - but this does not mean that the state of their body, or their overall "well being"is in good health.

The movement and oxygen produced from "fitness type" activities can hugely benefit the well being of the body, but it is not the only factor that determines the overall health- the "wellness" of the person.

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PNF Stretching

PNF is an acronym for Proprioceptive Neuromuscular Facilitation . PNF is not really a type of stretching but is a technique of combining passive stretching and isometric stretching in order to achieve maximum flexibility. PNF was originally developed by a physical therapist as a method of rehabilitating stroke victims. PNF consists of a muscle being passively stretched, then contracted isometrically against resistance while in the stretched position and then being passively stretched again through the resulting increased range of motion. PNF usually employs the use of a partner to provide resistance against the isometric contraction and to then take the muscles through its increased range of motion. Read More: Introduction of Stretching , Benefit of Stretching , Element of Stretching , Types of Stretching , Ballistic stretching , Dynamic stretching , Active stretching , Passive (or relaxed) stretching , ...

Digestive System

The digestive system is made up of the digestive tract- a series of hollow organs joined in a long, twisting tube from the mouth to the anus and other organs that help the body break down and absorb food. Organs that make up the digestive tract are the mouth, esophagus, stomach, small intestine, large intestine also called the colon-rectum and anus. Inside these hollow organs is a lining called the mucosa. In the mouth, stomach, and small intestine, the mucosa contains tiny glands that produce juices to help digest food. The digestive tract also contains a layer of smooth muscle that helps break down food and move it along the tract. Two "solid" digestive organs, the liver and the pancreas, produce digestive juices that reach the intestine through small tubes called ducts. The gallbladder stores the liver's digestive juices until they are needed in the intestine. Parts of the nervous and circulatory systems also play major roles in the digestive system.

Introduction of Carbohydrates

Carbohydrates are the body's main source of energy and should be the major part of total daily intake. Carbohydrates are used for energy. It helps to give us the instant and prolonged duration of energy. When carbohydrates are very less in the body then proteins are used for energy instead of muscle tissue repairing. Simple sugars such as glucose and fructose (monosaccharides), double sugars such as sucrose and maltose (disaccharides), and complex sugars such as starch and glycogen (polysaccharides) are among the important carbohydrates. The building blocks of all carbohydrates are sugars and they can be classified according to how many sugar units are combined in one molecule. The table below shows the major types of dietary carbohydrates. Further, Carbohydrates divides into six parts: 1. Classification 2. Functions 3. When should the carbohydrates be taken 4. Fuel forms of carbohydrates 5. Guidelines 6. Sources

THE BIG MUSCLES

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