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Active Isolated Strengthening

The Mattes Method of Strengthening and joint stabilization is an important component of physical rehabilitation and athletic optimization. It is the perfect complement to Active Isolated Stretching (also the Mattes Method). Fitness professionals will learn and practice Active Isolated Strengthening, The Mattes Method, from the book of the same name. Once again Mattes' genius for identifying every action of every muscle shines through with scientific purity.
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