在蹲的练习中，需保持上身直立、收腹、立腰、提胯、沉肩，大腿肌肉收紧并保持外开。
In squatting exercises,it is necessary to keep the upper body upright, tighten the abdomen, straighten theback, lift the crotch,put down shoulders,tightenthigh muscles and kept open.