Today many practices' of Reflexology greatly typify that of teachings of utilizing reflex points of the feet, hands & ears to aid in the rebalancing of corresponding organs and glands via the nervous system. Pressure from the hands is applied by the practitioner to the specific reflex points, no instruments are used.
The earliest depiction of Reflexology was found in the Egyptian Tomb of Ankhm'ahor, dated 2330BC; the depiction represented treatment of hands and feet.
Over many centuries various physiologists, anatomists and neurologists studied the cause and effect of acupressure and acupuncture type 'treatments' on patients, notably on the nerve responses.
Ear, nose & throat surgeon Dr William Fitzgerald (1872 - 1942) discovered that by applying pressure to certain reflex points on the body he could numb corresponding areas, he utilized this anethisizing aspect in his practice and developed .
This practice, taken up and studied by many medical and holistic professionals, including the renown Eunice Ingham (1889 - 1974) has been refined, utilized, taught and published in various editions.