When we speak in front of a crowd or in a seminar, our body experiences a physiological response known as the "fight-or-flight" response. This response is a natural reaction to situations perceived as threatening or stressful. It prepares our body to either face the challenge or escape from it.
Increased Heart Rate: The fight-or-flight response triggers the release of stress hormones like adrenaline and noradrenaline. These hormones cause the heart to beat faster, which increases blood flow to the muscles and vital organs, preparing the body for action. The increased heart rate is intended to provide the body with more oxygen and energy to respond to the perceived threat.
Trembling Voice: The trembling or shaky voice is often a result of the body's physiological response to stress. The muscles that control the voice, known as the vocal cords, can be affected by the release of adrenaline. Adrenaline causes muscle tension, which can lead to a quivering or trembling sensation in the vocal cords. This tension in the vocal cords can affect the steadiness and control of the voice, resulting in a shaky voice.
Anxiety and Nervousness: Speaking in front of a crowd can trigger feelings of anxiety and nervousness, which can further contribute to the physiological response. Anxiety can lead to shallow breathing and tension in the body, including the muscles involved in speaking, which can affect vocal control.
Psychological Factors: The fear of public speaking or the pressure to perform well in front of others can also contribute to the physical symptoms experienced during public speaking. When we are self-conscious and concerned about how we appear to others, it can intensify the body's stress response.
It's important to note that experiencing a fast heartbeat and a trembling voice in these situations is entirely normal. Most people feel some level of nervousness or anxiety when speaking in public. With practice, preparation, and exposure to public speaking situations, many individuals can learn to manage these physical responses and become more comfortable speaking in front of crowds.
Some strategies to cope with public speaking anxiety include relaxation techniques, deep breathing exercises, positive visualization, and gradual exposure to speaking in front of others. Public speaking classes or joining groups where you can practice speaking in a supportive environment can also be beneficial. Remember, it's okay to feel nervous, and with time and practice, you can improve your public speaking skills and reduce anxiety.