Evaluation Of A Exercise Based Interventions

786 WordsMay 3, 20164 Pages
Inter-individual variability in the direction and magnitude of weight change in response to supervised exercise-based interventions has been well documented (Table 1). Even in the highly controlled environment of an isolated experimental station over an 84-day period exercise induced weight loss ranged between 3 and 12 kg [48]. More recent studies showed that certain participants even gain weight in response to supervised exercise interventions [42,49]. Accordingly, changes in fat mass and fat free mass have been shown to vary considerably [36,42]. King et al. showed a roughly 50:50 split between so-called “responders” (i.e. participants who achieve expected weight loss) and “non-responders” (i.e. participants who experience a small amount of weight loss or weight gain) [36]. Other studies indicate that a majority of participants displays some form of compensatory adaptation with a ratio of responders to non-responders of 1:2 [46,49]. Even though there is, most likely, considerable inter-individual variability in metabolic adaptations in response to exercise [42,48], success in weight loss interventions has been largely attributed to behavioral compensation such as a decline in non-exercise PA and/or an increase in energy intake [22,36,46]; in addition to an obvious association with adherence to the exercise protocol. In fact, it has been argued that the individual variability in weight loss can be entirely attributed to the variability in non-exercise PA [46,50].
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