About Pacific THERx in Portola Valley is a physical therapy practice that welcomes a general orthopedic out patient population of all ages and activity levels. Description Understanding the PTX Approach The ultimate goal of physical therapy is to return you to full functional and pain free activities of daily living, work, sports and hobbies. To achieve these results for our clients of all ages, PTX focuses on the Manual Therapy evaluation and treatment, our mastery of the science of Sports Medicine, our expertise in Sports Performance, and our ground breaking team approach of transition to a lifetime of health and fitness. Pain equals no brain! While a certain amount of discomfort is a part of any injury and recovery program, pain that is a signal of tissue damage will inhibit your recovery. Our experienced staff will teach you the differences of normal discomfort and deleterious pain.