The hazards of weighted squatting: 1, damage to the knee joint. Weighted squatting is easy to lead to action is not standard, so that the direction of muscle movement changes, the knee joint will cause some damage. 2, damage to the waist. Weighted squatting, the lower back is not easy to straighten, squeeze the lower back, can cause lower back injury, and even suffer from lumbar spine disease.3, increase the burden on the heart, especially people with heart disease, the damage to the heart is heavier. According to their own condition, people can do weighted squatting appropriately, and people with poor physical condition should not do weighted squatting.