The Part Relaxation Plays in Public Speaking

Relaxation is the absence of tension in the body. The main muscles used in the breathing are the diaphragm, the intercostal muscles and the abdominal muscles. They must always be relaxed and under control in order to breathe correctly. Any tension in these will result in a lack of control and capacity. Many performers have tension in the shoulder, neck, back and jaw, which results in a poor breathing.
A technique they should use to release the tension is tensing then relaxing again. This helps relax the shoulder, neck, back and jaw.
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