Sister Elizabeth Kenny

Elizabeth Kenny was a self-trained Australian nurse whose unconventional methods revolutionized polio treatment and laid the foundation for modern physical therapy. Despite receiving only a few years of formal schooling, her medical journey began at age 17 after a horse-riding accident led her to study anatomy under her physician, Dr. McDonnell. He would become her lifelong mentor.

In 1912, after years of self-study, Kenny opened St. Canice's clinic, offering midwifery and restorative services. It was here she first treated infantile paralysis (polio) by applying hot woolen compresses to relax tight muscles—a sharp departure from the era's standard of rigid bracing. When World War I broke out, Kenny was initially rejected for military service due to her lack of formal qualifications. However, with a recommendation from Dr. McDonnell, she served as a nurse aboard the HMAT Suevic. By 1917, she earned the title of "Sister" (equivalent to a 1st lieutenant) and was honorably discharged in 1919.

Post-war, Kenny treated patients via horseback in rural Australia. A breakthrough occurred in 1922 when she successfully rehabilitated a young girl with cerebral diplegia using salt baths and passive exercise. During this period, she also patented the "Sylvia Stretcher"—a mobile device created from a cupboard door—which was adopted by ambulance services worldwide. The 1932 polio outbreak in Queensland brought her methods to the forefront. Supported by the Red Cross and the Australian government, Kenny established clinics across the country and eventually expanded into England.

In 1940, the New South Wales government sent Kenny to the United States. In Minneapolis, doctors were so impressed by her clinical results that they helped her establish a permanent base. This led to the creation of the Sister Kenny Institute and the Sister Kenny Foundation. Her impact was so significant that in 1950, President Harry Truman signed a Congressional bill allowing her to enter and exit the U.S. without a visa. Although her name is less common today—despite being immortalized in the 1946 film Sister Kenny—her pioneering focus on muscle rehabilitation remains a cornerstone of modern therapy.