Body Composition - Lenape Regional High School District

Body Composition - Lenape Regional High School District

Body Composition Smojver Do Now Write down anything that comes to mind when you think of body composition What do you think are some criteria for a positive body composition? If you went to the doctor today and they told you that you needed to lower your body composition, what 3 realistic changes could you make? Somatotype

Your body type 3 different Somatotypes: Ectomorph Endomorph Mesomorph Ectomorph

Lean, slender body type Gaining weight is a little more difficult Mesomorph A muscular somatotype Endomorph Rounder, heavier body

type Staying lean can prove to be harder Somatotypes Remember these are all generalizations Most people have their own unique combination of all 3 somatotypes You are born with an inherited somatotype based on skeletal frame and body composition

Body Composition Lean Body Mass Muscle tissues Bones Ligaments Tendons Body Fat

Stored calories that have not been burned up Calories In vs. Calories Out 3,5000 calories = 1 lb. of fat Body fat rises if your intake of calories is higher than your output of calories Measuring Body Fat Underwater

Electrical Skin BMI Weighing Impedance Fold Measurement (Body Mass Index) Calculation Underwater Weighing Hydrostatic Weighing Most accurate method

However, its the most expensive Pool Scale Trained Individuals Electrical Impedance How electricity travels through a given material

A very slight electrical current runs through the body and it measures the degree of resistance against the current Every tissue has different electrical impedance determined by its molecular composition Skinfold Measurement Uses a skinfold caliper to measure a fold of skin and its underlying layer of fat at key locations of the body

Usually taken at 3-9 spots Iliac Crest Triceps Biceps Suprascapular (spinal area)

Abdominal Front Thigh Medial Calf Chest (near armpit) Body Mass Index (BMI) Calculation used to determine BMI

Least accurate way weight 703 x height x height Ideal Body Fat Percentage Males up to age 30 9%-15% body fat

Females up to age 30 14%-21% body fat Body Image How you see yourself when you look in the mirror or how you picture yourself in your mind How has society changed the ideal body image? Anorexia

Characterized by the refusal to maintain a minimally accepted body weight, intense fear of weight gain, and a distorted body image Inadequate intake of calories or excessive caloric output Anorexics may even use laxatives, enemas, and/or diuretics (water pills) Anorexia Mental & Physical

Absence of menstruation Skeletal muscle atrophy Low blood pressure Depression Thinning hair

Damage to vital organs Death from starvation Bulimia Characterized by a cycle of binge eating followed by purging Purging is usually followed with guilt Bulimia

Both mental & physical Treatment through hospital stay or outpatient services Steroids Used to increase muscle size & strength Designer Steroids:

An anabolic (muscle building) drug that has been structurally manipulated to mimic the muscle building effects of testosterone, while sidestepping a positive steroid test Steroids: Major Male & Female Side Effects High blood pressure & heart disease Liver damage and cancers

Stroke and blood clots Urinary and bowel problems Headaches, aching joints, and muscle cramps Nausea and vomiting Sleep problems

Increased risk of ligament and tendon injuries Severe acne, especially on face and back Male Side Effects Males One of the most disturbing effects of steroid use for males is that the body begins to produce less of its own testosterone cause the following effects: Reduced

sperm count Impotence Increase in nipple and breast size Enlarged prostate Shrinking of the testicles Infertility Females Since steroids act as a male hormone, females may experience the following effects: Reduced breast size

Increase in facial and body hair Deepened voice Menstrual problems Male patterned baldness A Special Danger to Adolescents High school and middle school students & athletes need to be

aware of the effect steroids have on growth. Anabolic steroids, even in small doses, have been shown to stop growth too soon. Adolescents also may be at the risk for becoming dependent on steroids. Adolescents who use steroids are also more likely to use other addictive drugs and alcohol.

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