The Effects of Alcoholism on Skeletal and Cardiac Muscle - Essay Example

Fat distribution, muscle development and thickening of vocal cords are also supported by it.... Anabolic effect encourages cell growth, for masculization and maintenance of muscle; androgenic affect is used.... Mass lean muscle and increased weight in surprisingly short period of time may result by combining high dose of anabolic steroids with intensive exercise and high protein diet.... When we talk about muscle and weight gain, it is just unavoidable to talk about "anabolic steroids....

The structural plan of the myofibril is such that the sarcomeres are placed end to end, and this fundamental contractile unit is visible within skeletal and cardiac muscles.... Actually, the arrangement of sarcomeres leads to the striated pattern in skeletal and cardiac fibers, and sarcomeres in turn comprise of alternate arrangements of numerous thick and thin filaments in the cytoplasm to give rise to roughly 1-2 micrometer cylindrical bundles.... It is important to note that their arrangement is irregular in a loose lattice unlike the regular arrangement of skeletal and smooth muscles....

The mechanism of muscle contraction has been described through the sliding filament model, in which components, instead of decreasing in length, overlap among one another.... The next question is, where does ATP and Ca2+ needed for muscle contraction come from?... Because of the many mechanisms discussed above, various conditions cause imbalance and subsequent abnormality to muscle contraction.... On the other hand, in conditions such as stroke and multiple sclerosis, the neurotransmitters are not released from the neuromuscular junction, thus causing muscle weakness....

TRESS RESPONSE, effects of CATECHOLAMINES (EPINEPHRINE, NOREPINEPHRINE) Epinephrine is a hormone and neurotransmitter.... The main function of K+ is to regulate heartbeat and body muscle function.... Its main functions are for blood clotting, transmission of nerve impulses, cell membrane permeability and muscle contraction.... It gets secreted by heart muscle cells.... Alkalosis results to irritability, muscle weakness or muscle twitches (Ganong, 2005)....

The trends of in-take of alcoholism is not just limited to teenagers who might be drinking in order to follow the so-called fashionable trends of alcoholism as way to prove themselves as socially acceptable.... Older adults can also be considered as a people affected by trends of alcoholism.... This is similar to media effect on children which is basically giving rise to awareness of alcoholism among youngsters.... It has been debated that disintegrating effects of alcohol intake has been inferred by society....

Slight muscle contraction can produce a wide movement (Gregory & Stewart, 2004).... These potentials are achieved when the sodium-potassium pump in nerve tissues and the calcium pump in muscle tissues (n.... The paper "Muscles & skeletal System" highlights that signaling involves the nerve impulses travelling between the brains.... The skeletal system supports movements and provides protection for its delicate internal organs....

This is normally achieved by the cardiac muscle tissue.... In this category, there are three types of muscle tissue, which include the smooth muscle tissue, cardiac muscle tissue and the skeletal muscle tissue.... uestion #2The muscle tissue has the capability of relaxing and contracting hence; bringing about movement in various parts of the body.... muscle tissues also help the veins and lymph system to enable the circulation of blood in the body....

Smooth or visceral muscle is found inside hollow… These muscles contract to move and digest food, absorb nutrients and expel waste from the system.... These muscles are controlled by the unconscious part of the brain, unlike the The name smooth muscle comes from the fact that these muscles do not have the banded appearance of skeletal or cardiac muscles.... When antigens such as bacteria or viruses attack smooth muscle, the body's immune system produces antibodies to counter the antigen....