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Muscular Systems Affect by Steroids
Transcript of Muscular Systems Affect by Steroids
Sleletal Muscle Smooth Muscles Found in your digestive system, blood vessels, and bladder Can stretch and maintain tension for long periods of time Involuntary-contracts on its own
without us having to think about it Anabolic, adrogenic, cortico There Are Three Types of Steroids. Skeletal Muscle Move and support the skeleton Connects two bones together across its connecting joint Voluntary- we can contiously control them Cortico steroid is a generic name for the group of hormones that have a Cortisone-like action. They are man-made steroids that mimic the activity of cortisone. Cortisone is produced naturally in the body and is involved in regulating inflammation, thus dealing with injury. Thus corticosteroids are not the same as anabolic steroids. Corticosteroids are used in the treatment of many diseases like asthma, eczema, allergies, arthritis, colitis and kidney disease Anabolic effects are seen as the growth or thickening of the body’s non-reproductive tract tissues including the skeletal muscles, bones, the larynx and vocal chords and a decrease in body fat. Androgenic steroid effects are seen in the growth of the male reproductive tract and the development of male secondary sexual characteristics. Medically, anabolic steroids were given for osteoporosis in women but it not recommended nowadays. They can also be used to treat the vascular manifestations of Behçet’s disease, for hereditary angioedema, to treat aplastic anemia and to reduce the itching of chronic biliary obstruction Found in the walls of the heart Cardiac Muscles Involuntary like the smooth muscles Highly resistant to fatigue Structure of Muscle Cells How Muscles Work The thick filaments(myosin) grab on to the thin filaments(actin) by forming crossbridges. The thick filaments pull the thin filaments past them, making the sarcomere shorter. In a muscle fiber, the signal for contraction is synchronized over the entire fiber so that all of the myofibrils that make up the sarcomere shorten simultaneously. Samantha &