Knotted Up is a medical massage clinic in Rancho Cucamonga serving the Inland Empire. The clinic focuses on therapeutic massage for pain relief and mobility support, including back pain, neck pain, headaches, sciatica, shoulder and rotator cuff issues, nerve damage, fibromyalgia, and post-surgery care. It offers massage services in private therapy rooms with physical wellness amenities, along with optional add-ons such as hot stones.