Before revision: Arnold Kegel (1894–1981) was the gynecologist who invented the Kegel Perineometer (used for measuring vaginal air pressure) and Kegel exercises (squeezing of the muscles of the pelvic floor).
After revision: Arnold Kegel (1894–1981) was the gynecologist who invented the Kegel perineometer (used for measuring vaginal air pressure) and Kegel exercises (squeezing of the muscles of the pelvic floor).