Physiological studies on "choking" in Judo - Part 2 - X-ray observations on the heart - Ikai, M.; Yamakawa, J.; Ogawa, S.; Akutsu, K.; Masuda, M.; Matsumoto, Y. (Association for the Scientific Studies on Judo, Kodokan, 1958)
Keywords: judo; technique; neck; sport physiology; health; athlete; investigation method; X-ray; Japan; combat sports; biological and medical sciences