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Applied Longitudinal Data Analysis Modeling Change And Event Occurrence

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Textbook Of Work Physiology Physiological Bases Of Exercise

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Perspectives in Exercise Science and Sports Medicine

Self-control is a burgeoning research topic within sport and motivational psychology. Following efforts to define and contextualize self-control, characteristics of self-control are considered that have important implications for sport performance. We describe and evaluate various theoretical perspectives on self-control, including limited resources, shifting priorities, and opportunity-costs. The research described includes sport-specific research but also studies that focus on general motivational principles that look beyond sport-specific phenomena. We propose that attentional, rather than limited resource, explanations of self-control have more value for athletic performance. Moreover, we integrate self-control ideas with descriptions of motivational phenomena to derive novel hypotheses concerning how self-control can be optimized during sport performance. We explain how minimizing desire-goal conflicts by fusing self-control processes and performance goals can delay aversive consequences of self-control that may impede performance. We also suggest that autonomous performance goals are an important motivational input that enhances the effectiveness of self-control processes by a) reducing the salience of the desire to reduce performance-related discomfort, b) increasing attentional resources towards optimal performance, and c) optimizing monitoring and modification of self-control processes. These extensions to knowledge help map out empirical agenda which may drive theoretical advances and deepen understanding of how to improve self-control during performance.

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Integrating theories of self-control and motivation to advance endurance performance

Prior self-control exertion and perceptions of pain during a physically demanding task

Self-control has been defined as the mental capacity of an individual to alter, modify, change or override their impulses, desires, and habitual responses. In this review, we will discuss the bi-directional nature of the relationship between self-control and exercise. In brief, higher levels of trait self-control have been associated with greater exercise performance and adherence; whilst the depletion of state self-control has been shown to decrease performance and persistence on subsequent exercise tasks requiring self-control. In the opposite direction, long-term participation in exercise (and improved physical fitness) has been demonstrated to enhance self-control. Furthermore, an acute bout of exercise has been shown to enhance subsequent self-control, particularly when the exercise is of a moderate intensity and requires some degree of cognitive engagement. Throughout, when discussing each of these relationships, evidence will be drawn from other aspects of the review, where appropriate, to enhance our understanding of the observed effects. Finally, recommendations for future research will be made; including the importance of considering the bi-directional nature of the relationship, given that this has implications for our understanding of both self-control and exercise performance and adherence.

Self-Control and Exercise: A Review of the Bi-Directional Relationship.

Self-control exertion and glucose supplementation prior to endurance performance

Self-control exertion on an initial task has been associated with impaired performance on subsequent physical tasks also requiring self-control; an effect suggested to be mediated by changes in perceptions of pain and motivation. However, the effects of spending longer on the initial self-control task are unknown. This study, therefore, explored the potential for the duration of the initial self-control task to influence subsequent physical performance, perceptions of pain, and perceived motivation; particularly during the early stages of the physical task. In a within-subject design, 29 participants (11 male, 18 female) completed a wall-sit task until volitional exhaustion, on four separate occasions. Prior to each wall-sit, participants completed either a non-self-control task (congruent Stroop task) for 4 min, or a self-control task (incongruent Stroop task) for 4 (short duration), 8 (medium duration), or 16 (long duration) min. Participant's perceptions of pain and motivation were recorded every 30 s during the wall-sit. Wall-sit performance time was analyzed using one-way ANOVA and perceptions of pain and motivation analyzed using multi-level modeling. Wall-sit performance time was significantly longer on the non-self-control exertion trial compared to all other trials (all p < 0.01), as well as longer on both the short duration and medium duration self-control exertion trials compared to the long duration self-control exertion trial (both p < 0.001). Perceptions of initial (at 30 s) pain and motivation were different between the trials (main effect of trial: pain, p = 0.001; motivation, p < 0.001); whereby longer durations of self-control exertion increased perceptions of pain and decreased motivation. The decrease in motivation during the wall-sit task was greater on the long duration self-control exertion trial compared to all other trials (trial∗time interactions, all p < 0.05). The present study provides novel evidence that spending longer on the initial self-control task led to greater detrimental effects on subsequent wall-sit performance time. Furthermore, longer duration self-control exertion tasks led to increased perceptions of pain and decreased motivation within the first 30 s of the wall-sit task, as well as a greater decrease in motivation across the wall-sit task. These attentional and motivational shifts may explain performance decrements following the exertion of self-control.

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Ruth Boat

Papers

Integrating theories of self-control and motivation to advance endurance performance

Prior self-control exertion and perceptions of pain during a physically demanding task

Self-Control and Exercise: A Review of the Bi-Directional Relationship.

Self-control exertion and glucose supplementation prior to endurance performance

Manipulation of the Duration of the Initial Self-Control Task Within the Sequential-Task Paradigm: Effect on Exercise Performance.