Arvid Rydman was a member of the Finnish gymnastics team that won silver behind Norway in the free system at the 1912 Olympic Games. Subsequently, he became a gymnastics teacher at the seminary in Uusikaarlepy and the lyceum in Pori. One of his students in Uusikaarlepy was the famous Swedish long-distance runner Edvin Wide. From 1930-53, Rydman was also director of the Satakunta Museum in Pori and working there together with his wife Kerttu (née Snellman). She was also a gymnastics teacher. When Arvid Rydman died in 1953, his wife became responsible. The couple had two sons and one daughter.