Metabolic adaptation in weight loss

Metabolic Adaptation in Weight Loss – Literature Review
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Abstract
As more people adopt healthy lifestyles and accept practices that reduce body weights, more concern is placed on metabolic adaptations that result from such weight loss practices. The current literature review paper analyses various concepts entailed in substantial literature regarding the metabolic adaptation in weight loss. Metabolic adaptation refers to changes in metabolic rate in situations when caloric deficit occurs. The author obtained several vital research outcomes from selected peer-reviewed articles, and therefore, compared the research outcome to enhance the reader’s understanding of the metabolic adaptions during weight loss. It is realized from the literature review that the rates at which metabolic change and adaptation occur are positively correlated to the amount of caloric deficit and that more studies are required on the topic to educate the public and scholars in general on the metabolic adaptation processes during weight loss.
Metabolic Adaptation in Weight Loss – Literature Review
Introduction
Metabolic adaptation is a commonly used phrase among the fitness community to mean changes in the metabolic rate in situations when caloric deficit occurs. In most literature, metabolic adaptation is wrongly classified as metabolic damage (Hintze et al. 2019). Caloric deficit refers to a situation in which the number of calories obtained from the eaten foods is meager, and therefore, cannot fully support the metabolic rates (Hintze et al. 2019). Metabolic rates refer to the amount of daily energy spent to breakdown the calories (Trexler, Smith-Ryan & Norton, 2014). The current literature review paper analyses various concepts entailed in substantial literature regarding the metabolic adaptation in weight loss. It is not a summary of the diverse concepts entailed in various literature, but a detailed literary analysis piece that compares and contrasts various concepts entailed in the contacted peer-reviewed literature. The literature review shows that the rates at which metabolic change and adaptation occur are positively correlated to the amount of caloric deficit and that more studies are required on the topic to educate the public and scholars in general on the metabolic adaptation processes during weight loss.
Body and Summary
Trexler, Smith-Ryan, and Norton (2014) indicate that even though most athletes work hard towards achieving better physical statures, and fit bodies, there are metabolic adaptations that come along with that. As mentioned in their article, continued weight loss leads to decreased basal metabolic rates (BMR) among athletes. This, therefore, means that reduced calorie intake, as observed in most of the athlete's daily diets, leads to reduced activities of the mitochondria (the body cells commonly termed as powerhouses of energy due to their abilities to breakdown ATP into energy) (Trexler, Smith-Ryan & Norton, 2014). One of the metabolic adaptation processes discussed in this piece is changes in the circulating hormones. The scholars argued that extreme reduction in the amount of food eaten, and all other life practices that promote hun...