1、实的部分,身体从上往下放松而沉到脚底,如松而不沉,不是真松;虚的部分,身体从下往上放松而飘或提起来,如松而不飘或不提,亦不是真松。太极拳下盘的沉提劲,就是这种练法之一。2、如在练拳架或练推手时觉得膝盖过分受力,不是真正松膝。不要让膝关节承载过多的身势重量,而是靠松胯把身势重量下沉至脚底。如能松胯,则膝盖松开自然受力。3、如在练拳架或练推手时觉得腰骨或腰 1, the real part of the body from the top down to sink to the soles of the feet, such as loose rather than heavy, not really loose; the imaginary part of the body from the bottom up to relax or lift, such as loose and not floating or not Mention, nor is it really loose. Tai Chi boxing Shen mention Jin, is one of such practice. 2, such as in the training fist rack or practicing pushing hands that excessive knee force, not really loose knee. Do not allow the knee to carry too much body weight, but by the loose hip body weight sink to the soles of feet. If you can loose hip, then release the natural knee force. 3, such as in the practice boxing or practicing push hands that waist or waist