Self-control, have proposed that exertion of self-control exertion

Self-control,
or self-regulation, has been defined as one’s capacity to override emotions,
thoughts, or behaviours and instead avert these actions/responses and replace
them with more desirable, or preferential ones (Baumeister & Heatherton,
1996). Self-control can seem a rather abstract concept, in terms of one’s
ability to quantify it. However, according to the self-control strength model
it can, in fact, be thought of as a finite but renewable internal resource that
is expended when one attempts to exert control over their emotions, thoughts,
or behaviours (Baumeister, Bratslavsky, Muraven, & Tice, 1998).

Given this perspective
it can be easy to map this out onto our everyday experiences of sport, for
example the factor of physical fatigue leading to impaired self-control often resulting
in discontinuation of an activity (insert research). This too is found in the
literature, a meta-analysis of 83 studies that tested
the effect of depleted self-control and its effect on task performance
found that when self-control
was exerted on an initial task, an individual’s ability to exert self-control
depleted significantly on subsequent tasks, independent of the task domain (Hagger,
Wood, Stiff, and Chatzisarantis, 2010). However, other researchers have proposed
that exertion of self-control exertion instead accompanied by shifts in emotion,
attention, and motivation and reject the finite resource explanation provided
by Baumeister et al (Inzlicht & Schmeichel, 2012). Despite this
disagreement the literature doesn’t debate the outcome of self-control exertion
impairing performance on subsequent physical tasks as the large body of data concurs
with this point.

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One such
study that provides evidence for this relationship is a study by Boat and
Taylor (2017). The aim of this study was to investigate whether, or to what degree
would, prior self-control exertion would have on performance in a subsequent physical
task, and to what degree could pain perception explain differences in results. Conducted
in a counterbalanced within-subject design, sixty three participants completed
either an easy Stroop or hard Stroop task, then were put into a wall-sit
position and required to remain in this position until they quit of their own
volition. Pain perception was recorded immediately following this. The results
revealed that there was a significant effect on the hard Stroop trial and wall
sit performance (F(1,60) ¼ 7.62, p ¼ 0.01, r ¼ .78). Participants quit earlier
after the hard Stoop (M ¼ 130.20, SE ¼ 8.98), compared to those who complete
the easy Stroop (M ¼ 147.07, SE ¼ 9.31). Showing, perhaps in accordance with
the self-control strength model that self-control, as a resource, was ‘spent’ a
lot more on the hard Stroop than the easy Stroop, meaning less was left for use
on the wall-sit test.

Another study
that correlated self-control exertion and physical performance was by Graham,
Bray, Kathleen, and Ginis (2013). The aim was to study the aftereffects of
anticipating future self-control and motivation on patterns of self-control strength
depletion.