Although it trains and measures muscular strength and the instrument inside the vagina which is useful

摘要

Instrument 10 inside the vagina which has the long air itself 11 where side wall section it possesses 15, 16 and 24. Sensor 20 is locked to wall 16 vis-a-vis sensor 19 is being locked each wall in 15 and 24. As for sensor 19, as for sensor 20, collimating mark of shrinkage force of pubic rectum muscle is offered vis-a-vis measuring the power which is impressed directly by the both sides contraction of pubic coccygeal muscle simply. Choice figure Drawing 1