Physical therapy (PT) is the field of allied health concerned with movement. PT treatment preserves, enhances, or restores physical function impaired or threatened by disease, injury, or disability. It addresses impairments that reduce functional activities such as sitting, standing, walking, and running. Physical therapy uses exercise, physical modalities (such as soft tissue manipulation or electrical stimulation), and patient education and training, to help people be able to move their bodies in order to participate in activities of daily living and activities of choice. Impairments treated with PT are frequently associated with pain, stress and anxiety, and abnormal muscle tension.