There are many ways to reach awareness and the relaxation that follows and sometimes a certain way will work better for you than another so avoid becoming fixed on either. For example to relax your postures have a friend lightly push you as you balance on the heels or on one leg and to stay upright you will have to let go of the stiffness. You can have a friend swing a staff or a whip at you and the fear will help you move more naturally (after a while). You can have a friend whip your back as you breath fast (making the exhale longer and hence releasing more than taking in) and one other way I enjoy especially is to have a partner walk on your back and front as you breath and later on tense and relax each body part and learn to function better and become aware of your body. For example have a partner stand on your upper back and slowly tense up the neck and shoulders and relax. Have him stand on the front of your thighs (standing on the knees is much more painfull but will bring quick results) as you tense and relax the upper and than the lower muscles and of course play with this to find out what works for you. Continue to breathe and everything else will fall into place.