When Your Body Betrays You: Performance Anxiety

By Leanne Wiese, RP

Your hands are trembling. Your heart pounds so loudly you’re certain the person next to you can hear it. You’ve prepared for this moment for weeks, maybe months, and now that it’s here, your body seems determined to sabotage you. The presentation, the audition, the game, the conversation you’ve rehearsed a hundred times: suddenly it all feels overwhelming.

This is performance anxiety, and if you’ve experienced it, you know how confusing it can feel. Your mind knows you’re capable. Your body tells a different story.

Performance anxiety is the fear response that arises when we face situations where we feel evaluated, judged, or under pressure to perform. It might show up before a public speech, a job interview, an athletic competition, a musical performance, or even an intimate moment with a partner. The context varies widely, but the underlying experience often shares common features: a sense of being watched, a fear of falling short, and a body that responds as if genuine danger were imminent.

The physical symptoms can feel bewildering in their intensity. A racing pulse. Shallow, rapid breathing. Sweating palms or a dry mouth. Muscle tension that makes fine motor control difficult. Nausea or a churning stomach. Some people describe their legs feeling weak, their voice catching, their vision narrowing. One athlete I worked with told me that before important races, it felt as though she was experiencing a cardiac emergency and something similar to an asthma attack.

What causes this cascade of physical distress? The answer lies partly in our evolutionary inheritance. When we perceive a threat, our nervous system activates the sympathetic response, flooding the body with adrenaline and noradrenaline: hormones that are released to maximize the body’s usage of energy and output, preparing us to fight or flee. The problem is that our ancient threat-detection system doesn’t distinguish well between a charging predator and an audience of fifty colleagues waiting for your quarterly report. Both register as danger. Both trigger the same alarm bells in the body.

There are also psychological contributors worth naming. Perfectionism plays a role for many: the belief that anything less than flawless execution constitutes failure. Past experiences of embarrassment or criticism can linger, making similar situations feel emotionally charged long after the original event has passed. Fear of judgment, of being seen as incompetent or unprepared, activates deep concerns about belonging and acceptance. We are social creatures. The prospect of public failure ignites concerns of being excluded from the group that provides necessities of life.

So what can you do when anxiety arrives uninvited, when your body launches into alarm mode minutes before you need to be calm and focused?

One immediate intervention is physiological: slow, deliberate breathing. When you extend your exhale longer than your inhale, you activate the parasympathetic nervous system, the body’s natural calming mechanism. Try breathing in for five counts, holding briefly, then exhaling for six or eight counts. This isn’t merely a relaxation technique. It’s a direct signal to your nervous system that the threat is manageable.

Grounding techniques can also help when anxiety pulls you into catastrophic future thinking. Engage your senses deliberately: notice five things you can see, four you can hear, three you can touch, two you can smell, and one you can taste. This simple practice anchors you in the present moment rather than the imagined disaster ahead. Your body calms when your attention returns to what is actually happening rather than what might happen.

Cognitive reframing offers another pathway, with more long-term benefits than the techniques described above. The physical sensations of anxiety—the racing heart, the heightened alertness—are nearly identical to the sensations of excitement. Research by Alison Wood Brooks at Harvard Business School found that people who reframed their anxiety as excitement before stressful performances actually performed better than those who tried to calm down (Brooks, 2014). Instead of telling yourself “I’m so nervous,” try “I’m excited and ready.” This isn’t wishful thinking. It’s working with the arousal your body has already generated rather than fighting against it.

Does preparation reduce performance anxiety? The answer is nuanced. Preparation builds competence, and genuine competence provides a foundation of confidence. Knowing your material, having practiced your skills, gives you something solid to return to when anxiety clouds your thinking. In this sense, the pursuit of goals with honest preparation is important. Over-preparation can have the opposite effect, increasing anxiety if preparations are driven by the idea that the outcome is entirely within our control. This can be frustrating when weeks, months, or years of intentional preparation does not allow for anxiety-free performance.

There are some positives to performance anxiety, if harnessed correctly. The Yerkes-Dodson law, a well-established principle in psychology, describes an inverted-U relationship between arousal and performance: some physiological and mental activation helps you stay alert, focused, and responsive, but too much overwhelms you. Too little activation results in boredom and lack of effort. The goal isn’t to eliminate the adrenaline entirely, but to ride it rather than be overwhelmed by it.

Many elite performers describe learning to welcome the pre-performance jitters. They interpret the sensation as their body preparing to do something demanding and meaningful. The butterflies don’t disappear. They learn to fly.

If performance anxiety has become a recurring obstacle, one that limits your professional growth, your creative expression, or your willingness to take risks, working with a therapist can help you understand its roots and develop personalized strategies for managing it. Sometimes anxiety that seems purely situational connects to deeper patterns of self-criticism, unprocessed past experiences, or beliefs about worthiness that could benefit from exploration.

You don’t have to wait until anxiety becomes debilitating to seek support. If you’d like to explore what’s underneath your performance anxiety and build a more sustainable relationship with high-pressure moments, I’d welcome the opportunity to work with you. Reaching out isn’t an admission that something is wrong with you. It’s a recognition that you take your own growth seriously, and that’s already a form of strength.

References
Brooks, A. W. (2014). Get excited: Reappraising pre-performance anxiety as excitement. Journal of Experimental Psychology: General, 143(3), 1144–1158. https://doi.org/10.1037/a0035325

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