I will post a few videos soon to further illustrate this.
The shoulders and the hips form a rectangle with their four points of movement and support. You can often find a way out or to a bind (small place like a tunnel to rescue a fallen traveler or out or a choke and knife held to your stomach) using your awareness to these points. For example if you are bend backwards by a choke from behind you can relax the hip that is below the shoulders supporting the chocking arm and rotate out of it. If your arm is extended behind you and your shoulder twisted to your conceived limit you can lift the opposite leg and and release the tension by changing and returning to your alignment. To work to become aware of this simple tool you can have a friend hold another friend in some hold and you will use only two fingers to effect the hips and shoulders to allow the held body to regain it’s alignment and freedom. Work slowly and feel where the tension is and find it’s source. Remember that if you bend forward with your legs together you are creating tension in the beck because you are breaking the alignment balance. By simply putting one leg back to counter mass and align the tissue you will be able to do the work and in a better longer lasting way.