15 Results for heart muscle

Creatine is used in muscle tissue for the production of "phosphocreatine", an important factor in the formation of ATP, the source of energy for muscle contraction and many other functions in the body. Creatine monohydrate supplementation increases phosphocreatine levels in muscle, especia...
ATP
ATP powers all the activity of muscles. Muscles move because of the continual and instantaneous breakdown of ATP. The release of energy from ATP is a small thing, but essential to life itself. Muscle is an excitable tissue that it can be stimulated to produce an action potential. An action poten...
Androstinedione is a muscle-building supplement that helps athletes gain more testosterone. Androgen means any of the male sex hormones ("androgens")."For an endurance athlete, this may be the biggest performance enhancing secret of the decade!" (Powerhouse). Androstinedione has ...
Physical fitness is to the human body what fine tuning is to an engine. It enables us to perform up to our potential. Fitness can be described as a condition that helps us look, feel and do our best. More specifically, it is the "ability of the human body to function with vigor and alertness...
Travis Lewellyn STERIODS Drugs have been used in sports almost as long as sports themselves have been around. The ancient Incas discovered that the ashes from burned leaves of the Coca tree gave the people great stores of energy, and made sleep unnecessary for hours or even days, it was later disc...
Travis Lewellyn STERIODS Drugs have been used in sports almost as long as sports themselves have been around. The ancient Incas discovered that the ashes from burned leaves of the Coca tree gave the people great stores of energy, and made sleep unnecessary for hours or even days, it was later disc...
In the world of sports it is not rare to see athletes give their heart and soul for the love of the game. From sunrise to sundown they practice everyday to perfect their game. Then there are those who take an alternative route. Now athletes are taking performance enhancers such as creatine, andro...
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Describe each of the energy systems • ATP-CP (phosphogen) System Stored at the myosin cross-bridges is broken down to release energy for contraction it is used for short bursts of energy – it is exhausted after about 10 seconds. • Lactic Acid System Carbohydrate is broken d...
Steroids Steroids are a synthetic version of the human hormone called testosterone, and they can be very addictive. Currently, there are more than 100 different types of steroids that have been developed. The two most common are gamma hydroxybutyrate, also known as GHB, and clenbuterol. Stero...
Why Exercising is so great To me exercising isn't just about getting fit for a sport. It's also about having fun while getting in shape. Exercising also is great for me, because when I'm not feeling good, I just go jogging or stretching for a short while. Or when I need to get rid ...
In America today, one of the hottest topics of discuss is steroids. Steroids, which was first used in the mid 1930's, are synthetic versions of the male hormone testosterone. Today I'd like to cover all aspects of steroids; from the users and their reasons for abuse to the different ef...
Performance enhancing drugs can cost someone their career or even worse there life. There are three main types of performance enhancers that are used by athletes : Amphetamines, Anabolic Steroids, and The Human Growth Hormone pill. In just about every sport there is some form of performance enhanc...
The nature of sports fosters a strong desire to win, and some athletes will do anything to rise to the top. Every elite athlete wants to get an edge somehow over his or her opponents. Many athletes have turned to supplements to gain this edge and the use of performance enhancing drugs has increased...
Steroids have become a very common term in athletic events. Steroids are a group of hormones, which the body naturally produces in small amounts. The body uses these hormones to help control metabolism, inflammation, immune function, salt and water balance, development of sexual characteristic...