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Muscular Systems Affect by Steroids

How the muscles are affected when you consume steroids.

Lauren Billings

on 4 October 2012

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Transcript of Muscular Systems Affect by Steroids

Muscles and Steroids Not all muscles adapt the same to steroids. Everyones muscles have different adaptation methods. Steroids increase protein synthesis and decrease nitrogen excretion, leading to increased leanness and muscled definition as well. What do they do to you? http://www.smore.com/5nc4-steroids-and-muscles?ref=my http://blabberize.com/view?id=824113 Our class has decided to ask an over arching question of "how does steroids affect the muscles?" We separated into groups and our goal is to teach you the information we have learned. TEK9:A http://blabberize.com/view?share=826357 ONE SIDE EFFECT Side Effects Can Be Dangerous First we need to know the types of muscles and how they work in a normal condition, before steroids are applied. Basics There are 3 types of muscles:
Smooth Muscle
Cardiac Muscle
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 &
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