Ibn Sina (Latin name – Avicenna. 980–1037) is a famous Muslim physician who wrote The Canon of Medicine. Pain-related writings within The Canon were identified and analysed and compared to Galen and Modern Pain Theory. We found evidence in The Canon that Avicenna challenged Galen's concept of pain. https://countryscenesaddleryandpetsuppliers.shop/product-category/pozzi-saddle-range/