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Active release technique (ART) is a soft tissue system/movement-based technique developed and patented by P. Michael Leahy.It claims to treat problems with muscles, tendons, ligaments, fascia and nerves.There is little evidence to support its efficacy.The technique is advocated largely by chiropractors.ctive release technique (ART) is a soft tissue system/movement-based technique developed and patented by P. Michael Leahy.
Several different principles are used in Muscle Release Techniqueâ¢. The primary idea is that the muscles contribute directly to general health, as the supportive network of the body, and that any physical therapy program needs to address the body as a whole, with a focus on muscular health.