性的力學
人類性行為的力學(mechanics of human sexuality)或性的力學(mechanics of sex),更正式的名稱為人類性行為的生物力學(biomechanics of human sexuality),是研究人類性行為有關的力學。研究主題包括陰道組織強度的生物力學研究[1]以及男性勃起的生物力學[2]。一些特別環境下性行為的力學,例如外太空零重力下的性行為也是研究主題之一[3]。
研究人員曾經研究過在插入式性行為中的男性及女性生殖器官,在1992年時曾使用醫學超聲檢查,1999年則是用核磁共振成像,描繪性行為時生殖器官的解剖構造,而且有圖像描述男性及女性生殖器官配合的情形[4][5]。在利用核磁共振成像的研究中,研究者讓接受研究的人員在核磁共振成像機器裏面性交[5]。核磁共振成像的影像中,陰莖的形狀類似迴力鏢,其中陰莖根的長度佔三分之一,而陰道壁緊貼著陰莖[5][6]。此外,性交的核磁共振成像也指出性交時陰莖和陰道的運動,會刺激陰蒂內部的組織[7][8][9][10]。這些研究指出陰蒂的重要性,並且認為稱為「G點」的組織可能真的存在,因為當女性感受到性刺激,進行陰道插入式性行為時,高度神經支配的陰蒂會緊密地拉到陰道的前壁[11]。
參考資料
- ^ Cosson, Michel; Lambaudie, Eric; Boukerrou, Malik; Lobry, Pierre; Crépin, Gilles; Ego, Anne. A biomechanical study of the strength of vaginal tissues. Results on 16 post-menopausal patients presenting with genital prolapse. European journal of obstetrics, gynecology, and reproductive biology. 2004, 112 (2): 201–5. PMID 14746960. doi:10.1016/S0301-2115(03)00333-6.
- ^ Udelson, Daniel. Biomechanics of male erectile function. Journal of the Royal Society Interface. 2007, 4 (17): 1031–48. doi:10.1098/rsif.2007.0221.
- ^ Boyle, Alan. Outer-space sex carries complications. MSNBC. July 24, 2006 [2017-04-17]. (原始內容存檔於2013-01-11).
- ^ Silverberg, Cory. Anatomy of Intercourse. About.com. August 2, 2010 [2017-04-17]. (原始內容存檔於2017-07-08).
- ^ 5.0 5.1 5.2 Schultz, Willibrord Weijmar; van Andel, Pek; Sabelis, Ida; Mooyaart, Eduard. Magnetic resonance imaging of male and female genitals during coitus and female sexual arousal. BMJ. 1999, 319 (7225): 1596–600. PMC 28302
. PMID 10600954. doi:10.1136/bmj.319.7225.1596.
- ^ Stuttaford, Thomas; Godson, Suzi. Taking the first steps. The Times. October 6, 2007.
- ^ O'Connell, H.E.; Hutson, J.M.; Anderson, C.R.; Plenter, R.J. Anatomical relationship between urethra and clitoris. The Journal of Urology. 1998, 159 (6): 1892–1897. PMID 9598482. doi:10.1016/s0022-5347(01)63188-4.
- ^ O'Connell, H.E.; DeLancey, J.O. Clitoral anatomy in nulliparous, healthy, premenopausal volunteers using unenhanced magnetic resonance imaging. The Journal of Urology. 2005, 173 (6): 2060–2063. doi:10.1097/01.ju.0000158446.21396.c0.
- ^ Foldes, P.; Buisson, O. The clitoral complex: a dynamic sonographic study. J. Sex Med. 2009, 6 (5): 1223–1231. PMID 19453931. doi:10.1111/j.1743-6109.2009.01231.x.
- ^ Buisson, O.; Foldes, P.; Jannini, E.; Mimoun, S. Coitus as revealed by ultrasound in one volunteer couple. J. Sex Med. 2010, 7 (8): 2750–2754. doi:10.1111/j.1743-6109.2010.01892.x.
- ^ Buisson, O.; Jannini, E.A. Pilot echographic study of the differences in clitoral involvement following clitoral or vaginal sexual stimulation. J. Sex Med. 2013, 10 (11): 2734–2740. doi:10.1111/jsm.12279.
延伸閱讀
- Bondil, P; Costa, P; Daures, JP; Louis, JF; Navratil, H. Clinical study of the longitudinal deformation of the flaccid penis and of its variations with aging. European Urology. 1992, 21 (4): 284–6. PMID 1459150.
- Traxer, Olivier; Haab, François; Anidjar, Maurice; Gattegno, Bernard; Cussenot, Olivier; Thibault, Philippe. Comparaison des propriétés biomécaniques de l'ancrage vaginal dans les suspensions du col vésical selon la technique de Burch et une technique percutanée [Comparison of biomechanical properties of the vaginal fixation in bladder neck suspensions according to the Burch technique and a percutaneous technique] (PDF). Progrès en Urologie. 1999, 9 (4): 727–30 [2017-04-17]. PMID 10555228. (原始內容 (PDF)存檔於2013-06-03) (法語).
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