Active Isolated Stretching

Active Isolated Stretching & Strengthening & The Mattes Method

Mattes Method Screen Shot 2015-04-24 at 10.26.22 AM_ADJI am a Mattes Method of Active Isolated Stretching and strengthening (AIS) Therapist, and was trained by Aaron Mattes, developer of the Mattes Method of AIS.


Active Isolated Stretching and Strengthening (AIS) is a systematic method of muscle lengthening and fascial release that redefines what it means to “stretch.” AIS is a type of facilitated stretching that employs active movement on the part of the recipient to balance the pull of soft tissue across a specific joint, providing both functional and physiological restoration to both the superficial and deep fascial planes.


Developed by kinesiologist Aaron Mattes, AIS helps to decrease pain, improve joint flexibility and balance, expand range of motion, increase muscle strength, and restore physical function. AIS can assist in injury prevention, improve performance or aid with recovery after workout.


Mattes, father of Active Isolated Stretching and definitive educator on the topic of flexibility. Visit  to learn more.


Over the past few decades many experts have suggested that stretches should be held for 60 seconds. For years, this prolonged static stretching technique was the gold standard; however, prolonged static stretching actually decreases the blood flow within tissue and creates localized ischemia and lactic acid buildup. Similar to the consequences of trauma and overuse syndromes, this type of stretching actually works against the physiological laws that dictate how the body functions by potentially causing irritation and injury to local muscular, tendinous, lymphatic, and neural tissues.


For more information, download this 7-page article on Injury Rehabilitation through Active Isolated Stretching and Strengthening.

Click To View Active Isolated Stretching Video

active isolated stretching

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