Friday, June 5, 2009

Why Our Muscles Get Sore

 body muscles, shoulder muscles, abdominal muscles, chest muscles, calf muscles
As we grow old, People tend to complain about almost everything, especially the pains in our body, such as back pains, muscle pains and joint pains. Our muscles and bones seems to stiff more as we age. My grandma often complain about her leg and back whenever she reaches or bending over for something. She wince and i know most of grandparents do.

It is so painful that it is sure that this thing begins deeply to their bones, But the real main cause of this soreness and stiffness is because of the muscles and connective tissues and not really from the bones or joints. This is based on the research studies at the Johns Hopkins Medical School.

The frictional resistance that was generated by the two surfaces of two rubbing bones that are in the joints is negligible, even in joints damaged by arthritis.

Flexibility is the medical term used to describe the range of a joint’s motion from full movement in one direction to full movement in the other. The greater the range of movement, the more flexible the joint.

If you bend forward at the hips and touch your toes with your fingertips, you have good flexibility, or range of motion of the hip joints. But can you bend over easily with a minimal expenditure of energy and force? The exertion required to flex a joint is just as important as its range of possible motion.

Different factors limit the flexibility and ease of movement in different joints and muscles. In the elbow and knee, the bony structure itself sets a definite limit. In other joints, such as the ankle, hip, and back, the soft tissue—muscle and connective tissue—limit the motion range.

The problem of inflexible joints and muscles is similar to the difficulty of opening and closing a gate because of a rarely used and rusty hinge that has become balky.

Hence, if people do not regularly move their muscles and joints through their full ranges of motion, they lose some of their potential. That is why when these people will try to move a joint after a long period of inactivity, they feel pain, and that discourages further use

What happens next is that the muscles become shortened with prolonged disuse and produces spasms and cramps that can be irritating and extremely painful. The immobilization of muscles, as researchers have demonstrated with laboratory animals, brings about biochemical changes in the tissue.

However, other factors trigger sore muscles. Here are some of them:

1. Too much exercise

Have you always believed on the saying, “No pain, no gain?” If you do, then, it is not so surprising if you have already experienced sore muscles.

The problem with most people is that they exercise too much thinking that it is the fastest and the surest way to lose weight. Until they ache, they tend to ignore their muscles and connective tissue, even though they are what quite literally holds the body together.

2. Aging and inactivity

Connective tissue binds muscle to bone by tendons, binds bone to bone by ligaments, and covers and unites muscles with sheaths called fasciae. With age, the tendons, ligaments, and fasciae become less extensible. The tendons, with their densely packed fibers, are the most difficult to stretch. The easiest are the fasciae. But if they are not stretched to improve joint mobility, the fasciae shorten, placing undue pressure on the nerve pathways in the muscle fasciae. Many aches and pains are the result of nerve impulses traveling along these pressured pathways.

3. Immobility

Sore muscles or muscle pain can be excruciating, owing to the body’s reaction to a cramp or ache. In this reaction, called the splinting reflex, the body automatically immobilizes a sore muscle by making it contract. Thus, a sore muscle can set off a vicious cycle pain.

First, an unused muscle becomes sore from exercise or being held in an unusual position. The body then responds with the splinting reflex, shortening the connective tissue around the muscle. This cause more pain, and eventually the whole area is aching. One of the most common sites for this problem is the lower back.

4. Spasm theory

In the physiology laboratory at the University of Southern California, some people have set out to learn more about this cycle of pain.

Using some device, they measured electrical activity in the muscles. The researchers knew that normal, well-relaxed muscles produce no electrical activity, whereas, muscles that are not fully relaxed show considerable activity.

In one experiment, the researchers measured these electrical signals in the muscles of persons with athletic injuries, first with the muscle immobilized, and then, after the muscle had been stretched.

In almost every case, exercises that stretched or lengthened the muscle diminished electrical activity and relieved pain, either totally or partially.

These experiments led to the “spasm theory,” an explanation of the development and persistence of muscle pain in the absence of any obvious cause, such as traumatic injury.

According to this theory, a muscle that is overworked or used in a strange position becomes fatigued and as a result, sore muscles.

Hence, it is extremely important to know the limitations and capacity of the muscles in order to avoid sore muscles. This goes to show that there is no truth in the saying, “No pain, no gain.” What matters most is on how people stay fit by exercising regularly at a normal range than once rarely but on a rigid routine.



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Friday, May 29, 2009

Healthy Eating and Peer Pressure

 peer pressure, teenage peer pressure, healthy eating kids, healthy eating diet, healthy eating tips
If you are on a diet or simply enjoying a healthy lifestyle, than you probably know that peer pressure to eat foods that are not good for you is a major part of your life. If you are worried about the food that goes into your mouth, don’t worry—there are ways to overcome peer pressure. It simply takes a little know-how to get people off your back!

Parties are a major source of peer pressure, especially with alcohol. However, remember that alcohol contains hundreds of empties calories in just one drink. When you go to a part, people might be pressuring you to have a drink and relax, and it can be difficult to say no when they are constantly trying to convince you. Instead, offer to drive to a bar instead. This way, you re the designated driver, so people won’t want you to drink and, in fact, they will probably be purchasing you waters and maybe even helping to pay for your gas. It’s a win-win situation for everyone.

Another time when you may feel pressured to eat is at work when the boss orders lunch for everyone at a meeting or when you have to visit a client. Instead of giving in to temptation, simply politely decline the food by letting your boss know in advance or order a meal that is healthy and split the portion in half so you have a meal for tomorrow’s lunch as well.

Baby showers, weddings, birthday parties, and other special events can also wreak havoc on your diet, even if you are good at resisting temptation on your own. When someone hands you a piece of cake and won’t take no for an answer, it can be difficult to know what to say! Here, little white lies might be appropriate. For instance, saying that your stomach was upset earlier in the day will convince a person that you don’t want to eat at the moment or pretending to have a chocolate allergy will get people to allow you to enjoy the party without a hassle surrounding food.

Remember, however, that while refusing bad foods is fine, you should be eating good foods. If you do not, dangerous eating habits and disorders can develop, which will give you, your friends, and your doctor a real reason to worry. It’s ok to say no to peer pressure, but don’t say no to food in general!



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Sunday, May 24, 2009

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