Physiotherapy (often abbreviated to PT) is a physical medicine and rehabilitation specialty that remediates impairments and promotes mobility, function, and quality of life through examination, diagnosis, prognosis, and physical intervention (therapy using mechanical force and movements).

The treatment of disease, injury, or disability by physical and mechanical means (as massage, regulated exercise, water, light, heat, and electricity). Physical therapists provide services that develop, maintain and restore people's maximum movement and functional ability. They can help people at any stage of life, when movement and function are threatened by ageing, injury, diseases, disorders, conditions or environmental factors.

Physical therapists help people maximize their quality of life, looking at physical, psychological, emotional and social wellbeing.