Arnett Lifespan Development

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The transition from adolescence into emerging adulthood, as seen in the Arnett Model of lifespan development, marks a unique developmental period in humans that can have a significant impact on the adaptation and maintenance of healthy behaviors. Emerging adulthood is specifically described as the period between the ages of eighteen and twenty-five when one explores their identity, instability, self-focus, ambivalence towards choices, and possibilities. The promotion of an active lifestyle has become a priority for modern societies; with coined phrases such as “look good, feel good” in popular culture, it is no wonder that even in the dead of night that the San Jose State Event Rec Center is full of training students. Physical activity …show more content…
Throughout a normal school day, a student's cognitive processes are challenged from trying to retain lecture information for the long term or by trying to cram last minute for an exam. Correlated with the Arnett lifespan model, Guiney & Machado (2013) investigated among stratified age groups the ability to mentally decipher task goals before responding, respond physically to stimuli, and complete short term memory tasks. Among the young adults, they concluded that physical activity was shown to improve the structural integrity of the brain, which in turn allowed for improved cognitive functions in all three areas tested. Similarly, Hogan, Mata, & Carstensen investigated whether exercise within a stratified age group, correlated to the lifespan model, affected short term response times. The study concluded that, independent of age, exercise resulted in significant improvement in back-to-back related tasks compared to a sedentary control condition. The benefits of physical activity is not just limited to cognitive development. Social well-being is influenced by physical activity as …show more content…
Shown in various studies, when working out with a partner or group one can increase his social well-being. Maher, Pincus, Ram, & Conroy (2015) considered physical activity as a valuable tool for a satisfied life (defined as a life of prosperity and happiness with others) among peers by polling a stratified age group, correlated to the lifespan model, with anchors at 0 (not good) and 100 (very good). Having tested a variety of ages, including emerging adulthood, they concluded that physical activity in a group has important implications for well-being. In addition to the proven correlation between physical activity and satisfied life, VanKim & Nelson (2013) examined associations between vigorous physical activity, mental health, perceived stress, and socializing among 4-year college students through polling with a number scale of 0 (not good) and 100 (very good). The study found that when trying to improve mental well-being of college students one should consider promoting physical activity at least once a week. It also found that positive benefits may be elevated when physical activity arises from social interactions, as discovered through subjects exercising in a group facility versus alone. This theory was examined in an experiment by Sibley, Hancock, & Bergman, in which they proved through studying the relationship between the quality of fitness and the motives of exercise that

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