





Overview
Arousal refers to the level of alertness and activation within the body and mind, ranging from deep sleep or relaxation to intense excitement or anxiety. In sport, arousal plays a vital role in performance because it influences how athletes prepare, react, and focus in both training and competition. It is neither inherently good nor bad, but rather how well it is managed that determines whether it supports or hinders performance.
Arousal encompasses both physiological components, such as increased heart rate, breathing rate, and muscle tension, as well as psychological components, including heightened awareness, concentration, and emotional intensity. This activation helps prepare the body for action and sharpens mental readiness. However, if arousal becomes too low or too high, it can negatively impact decision-making, coordination, timing, and focus.
The relationship between arousal and performance is often described by the Inverted-U Hypothesis, which suggests that performance improves with increased arousal, but only to a point. Beyond an optimal level, further increases in arousal can lead to a decline in performance. For example, a sprinter may benefit from high arousal to generate explosive energy, whereas a golfer may need lower arousal to maintain fine motor control and concentration. The optimal level varies depending on the nature of the task, individual differences, and the athlete’s level of experience and emotional control.
In sport psychology, managing arousal involves helping athletes understand their optimal performance state and developing strategies to achieve and sustain it. If arousal is too low, an athlete may feel sluggish or unmotivated. In such cases, energising techniques—such as listening to music, using motivational self-talk, or engaging in intense warming up - can help increase activation. If arousal is too high, the athlete may feel anxious, panicked, or overwhelmed, which can interfere with skill execution and decision-making. In this case, calming techniques, like deep breathing, progressive muscle relaxation, or visualisation, can help reduce intensity and restore control.
The ability to regulate arousal is closely linked to emotional intelligence, self-awareness, and mental toughness. Skilled athletes and performers can monitor their internal state and apply techniques to adjust accordingly, especially in high-pressure moments. Coaches and support staff also play a crucial role by creating environments that either raise or lower arousal as needed, based on the situation and the individual athlete's needs.
In summary, arousal refers to the level of physical and psychological activation that an athlete experiences, which directly impacts their ability to perform well. Managing this activation is essential—too little arousal may lead to underperformance, while too much can cause errors, tension, and loss of control. By learning to recognise and regulate their arousal levels, athletes can prepare themselves to perform at their best, regardless of the demands of the situation.