Many individuals in Việt Nam experience knee pain, calf soreness, or heel pain after only a few exercise sessions while attempting to lose weight through running, jump rope, or gym workouts. This is a common issue for those who are overweight or obese. Simply enduring the pain or stopping exercise altogether while waiting for weight loss is not an effective solution. The text highlights the need for a more nuanced approach to exercise for individuals carrying excess weight. It implies there are better strategies than pushing through pain or complete cessation of activity when attempting to achieve weight loss goals in Việt Nam. Further details on appropriate strategies are not provided in this excerpt.