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.

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Introduction of Stretching

Introduction In any kind of exercise/sports, stretching is one of the first things to be implemented in the training program. It is considered one of the fundamental requirements, which must be acquired before getting involved with more sports specific work. Even more, mobility work has become so important that every sport has adopted its own specific stretching regime. Since injuries place a person "out of practice" for a considerable amount of time, they indirectly influence performance. Therefore, the lower the risk of injury, the better the ultimate performance will be. Several studies have found a significant relationship between stretching and injury prevention. Read More: Benefit of Stretching , Element of Stretching , Types of Stretching , Ballistic stretching , Dynamic stretching , Active stretching , Passive (or relaxed) stretching , Static stretching , Isometric stretching , PNF stretching

Isometric Stretching

Isometric stretching is a type of static stretching (meaning it does not use motion) which involves the resistance of muscle groups through isometric contractions (tensing) of the stretched muscles. The use of isometric stretching is one of the fastest ways to develop increased static -passive flexibility and is much more effective than either passive stretching or active stretching alone. Isometric stretches also help to develop strength in the "tensed" muscles (which helps to develop static-active flexibility ) and seem to decrease the amount of pain usually associated with stretching . An example of using a partner to provide resistance would be having a partner hold the leg up high (and keep it there) while an attempt is made to force the leg back down the to the ground. Read More: Introduction of Stretching , Benefit of Stretching , Element of Stretching , Types of Stretching , Ballistic stretching , Dynamic stretching , ...

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, j...

THE BIG MUSCLES

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