Contract-relax (CR) stretching is a helpful tool for lengthening stubbornly tight muscles. We isometrically contract a muscle against resistance and then relax and proceed with a stretch. It involves a neurological reflex called the Golgi Tendon Reflex. This protective reflex prevents tendon tears by automatically triggering the muscle to relax after a very strong contraction. We take advantage of this reflex in CR stretching. Due to the use of this reflex we get more of a stretch than otherwise possible with regular stretching. I like to use this technique with clients in multiple tight areas including neck, hamstrings and pecs.