Deeper massage can help treat minor muscle injuries or cellular disorders. Deep Tissue Massage Tukwila is a fascia massage designed to treat muscle, tendon and muscle discomfort. You need complete muscle relaxation as it relieves stress and controls the deeper muscles (hence the "deep tissue massage"). Many of those with chronic strength or restricted muscle fibers are more prone to engaging or developing thick knots. These devices can be uncomfortable and can interfere with blood flow and breathing, reduce daily exercise, and cause swelling.