The same length of time works for presentations, especially if you are an entrepreneur. (inc.com)
Indeed, an average of 272 hand gestures were used in the least - watched TED talks as compared to the average of 465 hand gestures in the top - ranked ones during the same length of time. (inc.com)
Hold for a few breaths and repeat with the left foot forward for the same length of time. (yogajournal.com)