Functions Of Carbohydrates

The main function of Carbohydrates is to provide energy but they also play an important role in:

The construction of the body organs and Nerve cells

The definition of persons physiological identity such as their blood group

1. Energy source and storage

Starch and sugars are the main energy-providing carbohydrate sources and supply 4 kilocalories per gram.

Simple sugars are absorbed directly by the small intestine into the bloodstream, where they are, then, transport to their place of use. Disaccharides are broken down by the digestive enzyme into simple sugars. The body also needs the help of digestive enzymes to break down the long chains of starches into their constituent sugars, which are then absorbed into the bloodstream.

The human body uses carbohydrates in the form of glucose. Glucose can also be converted to glycogen, a polysaccharide similar to starch, which is stored in the liver and the muscles and is a readily available source of energy for the body. The brain needs to use glucose as an energy source since it can't use fat for this purpose. It is for this reason that the level of glucose in the blood must be constantly maintained above the minimum level. Glucose may come directly from dietary carbohydrates or from glycogen stores. Several hormones, including glucagon and insulin, work rapidly to regulate the flow of glucose to and from the blood respectively, to keep it at a steady level.

2.Protein sparing action

Maintaining a regular intake of carbohydrates will prevent the protein from being used as an energy source, thus sparing protein to perform its own function, which is bodybuilding. Furthermore, an adequate amount of carbohydrates will prevent the degradation of skeletal muscles and other tissues such as heart, liver, and Kidneys.

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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 , ...

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

Passive Stretching

Passive stretching is also referred to as relaxed stretching , and as static-passive stretching . A passage stretch is one where the person assumes a position and holds it with some other part of the body, or with the assistance of a partner or some other apparatus. For example, bringing the leg up high and then holding it there with hand. Slow, relaxed stretching is useful in relieving spasms in muscles that are healing after an injury. Relaxed stretching is also very good for "cooling down" after a workout and helps reduce post-workout muscle fatigue and soreness. Read More: Introduction of Stretching , Benefit of Stretching , Element of Stretching , Types of Stretching , Ballistic stretching , Dynamic stretching , Active stretching , Static stretching , Isometric stretching , PNF stretching

THE BIG MUSCLES

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