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While training for those sports he noticed his body's great responsiveness to weight training, which motivated him to enter his first bodybuilding competition. After competing in more than 300 amateur competitions, Robinson turned professional in 1975. By that year he was married with three children. [3]
The correlation between media image and body image has been proven; in one study, among European American and African American girls ages 7 – 12, greater overall television exposure predicted both a thinner ideal adult body shape and a higher level of disordered eating one year later.
In males, mean percentage body fat ranged from 23% at age 16–19 years to 31% at age 60–79 years. In females, mean percentage body fat ranged from 32% at age 8–11 years to 42% at age 60–79 years. But it is important to recognise that women need at least 9% more body fat than men to live a normal healthy life. [2]
The distribution of fat varies, with fat tending to deposit first in the buttocks, hips, and thighs. As body fat percentage increases, an increasing proportion of body fat is distributed around the waist and upper abdomen. The women of this body type tend to have a relatively larger rear, thicker thighs, and a small(er) bosom.
Later fat is stored in the belly, similar to males. [16] Thus females generally have relatively narrow waists and large buttocks, and this along with wide hips make for a wider hip section and a lower waist–hip ratio compared to males. [17] Estrogen increases fat storage in the body, which results in more fat stored in the female body. [18]
Adipose tissue (also known as body fat or simply fat) is a loose connective tissue composed mostly of adipocytes. [1] [2] It also contains the stromal vascular fraction (SVF) of cells including preadipocytes, fibroblasts, vascular endothelial cells and a variety of immune cells such as adipose tissue macrophages.
Body fat percentage is total body fat expressed as a percentage of total body weight. There is no generally accepted definition of obesity based on total body fat. Most researchers have used >25% in men, and >30% in women, as cut-points to define obesity, [41] but the use of these values have been disputed. [42]
Venus with a Mirror (1555) by Titian. Body image is a person's thoughts, feelings and perception of the aesthetics or sexual attractiveness of their own body. [1] [2] The concept of body image is used in several disciplines, including neuroscience, psychology, medicine, psychiatry, psychoanalysis, philosophy, cultural and feminist studies; the media also often uses the term.