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Physical therapy, known as Physiotherapy in most English speaking countries, is a health care profession which provides services to individuals and populations to develop, maintain and restore maximum movement and functional ability throughout the lifespan. This includes providing services in circumstances where movement and function are threatened by aging, injury, disease or environmental factors. Functional movement is central to what it means to be healthy.

Physical therapy is concerned with identifying and maximizing quality of life and movement potential within the spheres of promotion, prevention, treatment/intervention, habilitation and rehabilitation. This encompasses physical, psychological, emotional, and social well being. Physical therapy involves the interaction between physical therapist (PT), patients/clients, other health professionals, families, care givers, and communities in a process where movement potential is assessed and goals are agreed upon, using knowledge and skills unique to physical therapists. Physical therapy is performed by either a physical therapist (PT) or an assistant (PTA) acting under their direction.

PTs utilize an individual's history and physical examination to arrive at a diagnosis and establish a management plan, and when necessary, incorporate the results of laboratory and imaging studies. Electrodiagnostic testing (e.g. electromyograms and nerve conduction velocity testing) may also be of assistance.

Physical therapy has many specialties including cardiopulmonary, geriatrics, neurologic, orthopaedic and pediatrics to name some of the more common areas. PTs practice in many settings, such as outpatient clinics or offices, inpatient rehabilitation facilities, extended care facilities, private homes, education and research centers, schools, hospices, industrial workplaces or other occupational environments, fitness centers and sports training facilities.

Educational qualifications vary greatly by country. The span of education ranges from some countries having little formal education to others requiring masters and doctoral degrees.

The integration of research evidence into practice has been, and continues to be, a challenge across the scope of medicine and physical therapy is no exception to this.

History

Physicians like Hippocrates and Hector are believed to have been the first practitioners of a primitive physical therapy, advocating massage and hydrotherapy to treat people in 460 B.C. The earliest documented origins of actual physical therapy as a professional group, however, date back to 1894 when four nurses in England formed the Chartered Society of Physiotherapy. Other countries soon followed and started formal training programs, such as the School of Physiotherapy at the University of Otago in New Zealand in 1913, and the United States' 1914 Reed College in Portland, Oregon, which graduated "reconstruction aides."

Research catalyzed the physical therapy movement. The first physical therapy research was published in the United States in March 1921 in The PT Review. In the same year, Mary McMillan organized the Physical Therapy Association (now called the American Physical Therapy Association (APTA)). In 1924, the Georgia Warm Springs Foundation promoted the field by touting physical therapy as a treatment for Polio.

Treatment through the 1940s primarily consisted of exercise, massage, and traction. Manipulative procedures to the spine and extremity joints began to be practiced, especially in the British Commonwealth countries, in the early 1950s. Later that decade, physical therapists started to move beyond hospital based practice, to outpatient orthopedic clinics, public schools, college/universities, geriatric settings (skilled nursing facilities), rehabilitation centers, hospitals, and medical centers.

Specialization for physical therapy in the U.S. occurred in 1974, with the Orthopaedic Section of the APTA being formed for those physical therapists specializing in Orthopaedics. In the same year, the International Federation of Orthopaedic Manipulative Therapy was formed, which has played an important role in advancing manual therapy worldwide ever since.

Specialty areas

Because the body of knowledge of physical therapy is quite large, some PTs specialize in a specific clinical area. While there are many different types of physical therapy,, the American Board of Physical Therapy Specialties list seven specialist certifications, including Sports Injuries and Clinical Electrophysiology. Worldwide the six most common specialty areas in physical therapy are:

Cardiopulmonary

Cardiovascular and pulmonary rehabilitation physical therapists treat a wide variety of individuals with cardiopulmonary disorders or those who have had cardiac or pulmonary surgery. Primary goals of this specialty include increasing endurance and functional independence. Manual therapy is utilized in this field to assist in clearing lung secretions experienced with cystic fibrosis. Disorders, including heart attacks, post coronary bypass surgery, chronic obstructive pulmonary disease, and pulmonary fibrosis, treatments can benefit from cardiovascular and pulmonary specialized physical therapists.

Geriatric

Geriatric physical therapy covers a wide area of issues concerning people as they go through normal adult aging, but is usually focused on the older adult. There are many conditions that affect many people as they grow older and include but are not limited to the following: arthritis, osteoporosis, cancer, Alzheimer's disease, hip and joint replacement, balance disorders, incontinence, etc. Geriatric physical therapy helps those affected by such problems in developing a specialized program to help restore mobility, reduce pain, and increase fitness levels.

Neurological

Neurological physical therapy is a discipline focused on working with individuals who have a neurological disorder or disease. These include Alzheimer's disease, ALS, brain injury, cerebral palsy, multiple sclerosis, Parkinson's disease, spinal cord injury, and stroke. Common symptoms of neurological disorders include paralysis, vision impairment, poor balance, inability to ambulate, and loss of functional independence. Therapists work to improve these areas of dysfunction and treat the patients.

Orthopaedic

Orthopaedic physical therapists diagnose, manage, and treat disorders and injuries of the musculoskeletal system including rehabilitation after orthopedic surgery. This specialty of physical therapy is most often found in the out-patient clinical setting. Orthopedic therapists are trained in the treatment of post-operative orthopaedic procedures, fractures, acute sports injuries, arthritis, sprains, strains, back and neck pain, spinal conditions and amputations. Joint and spine mobilization/manipulation, therapeutic exercise, neuromuscular reeducation, hot/cold packs, and electrical stimulation (e.g., cryotherapy, iontophoresis, electrotherapy) are modalities often used to expedite recovery in the orthopedic setting. Additionally, an emerging treatment in this field is the use of sonography for diagnosis and to guide treatments such as muscle retraining. Those who have suffered injury or disease affecting the muscles, bones, ligaments, or tendons of the body will benefit from assessment by a physical therapist specialized in orthopaedics.

Pediatric

Pediatric physical therapy assists in early detection of health problems and uses a wide variety of modalities to treat disorders in the pediatric population. These therapists are specialized in the diagnosis, treatment, and management of infants, children, and adolescents with a variety of congenital, developmental, neuromuscular, skeletal, or acquired disorders/diseases. Treatments focus on improving gross and fine motor skills, balance and coordination, strength and endurance as well as cognitive and sensory processing/integration. Children with developmental delays, cerebral palsy, spina bifida, or torticollis, may be treated by pediatric physical therapists.

Integumentary

Integumentary (treatment of conditions involving the skin and related organs). Common conditions managed include wounds and burns. Physical therapists utilize surgical instruments, mechanical lavage, dressings and topical agents to debride necrotic tissue and promote tissue healing. Other commonly used interventions include exercise, edema control, splinting, and compression garments.

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