「the following muscles contract during orgasm and hence the following muscles contract during orgasm and hence」 オーガズム時は以下の筋肉が収縮します、したがってそれが直腸圧の変動の原因と考えられます」
「(parts of the) levator ani muscle (Bohlen et al., 1982; Graber & Kline-Graber, 1979), the anal sphincter (Carmichael et al., 1994; Masters & Johnson, 1966), and the uterus (Bohlen et al., 1982; Chayen et al., 1979; Masters & Johnson, 1966).」 肛門挙筋、肛門括約筋、子宮
