Abstract
Intensity of Physical Activity, TV Viewing Time, and Adiposity in Young Adults: Iowa Bone Development Study
Highlights
In addition to Total Body Fat (TBF), the excessive deposition of regional adiposities, such as Visceral Adipose Tissue (VAT) and Intramuscular Adipose Tissue (IMAT), are associated with greater risks for developing metabolic disorders
This study examined the relationships between Physical Activity (PA) intensity, TV viewing (h/d), and adiposities (i.e., Total Body Fat (TBF), kg and Visceral Adipose Tissue (VAT), g) in young adults
PA interventions should suggest to female young adults to “move more” and males to participate in more intense activities
Summary
In addition to Total Body Fat (TBF), the excessive deposition of regional adiposities, such as Visceral Adipose Tissue (VAT) and Intramuscular Adipose Tissue (IMAT), are associated with greater risks for developing metabolic disorders. Few studies have focused on the association between PA intensities and adiposity in young adults, aged 18 to mid-20s [13] As individuals leave their parents’ homes, their lifestyle changes significantly including an increase in unhealthy behaviors (e.g., increased TV viewing and alcohol consumption) [14,15,16], and decrease in diet quality (e.g., young adults consume more fast food and soft drinks than fruit, vegetable, and dairy compared to diets as children) [17]. Young adulthood is a important period in life because individuals establish the patterns of lifelong adult health behaviors [16,18] Associated with their emerging unhealthy lifestyle, young adults gain body weight faster than other age groups [19], and their weight gain is associated with greater metabolic risks later in life [20]. Obesity prevalence increases remarkably (almost doubles) from adolescence to the early 20s [14]
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