Natalie Sidorkewicz carefully analyzed spine and hip motions of ten couples each having sex in five positions. Sidorkewicz wrote it up, as her master’s thesis : “Lumbar Spine and Hip Kinematics and Muscle Activation Patterns during Coitus: A comparison of common coital positions,” Natalie Sidorkewicz, Master of Science thesis in Kinesiology, University of Waterloo, 2013. The main objective […]
Tag: sex
A medical study the entire family can enjoy
This is a medical study the entire family can enjoy, one way and another: “Effect of maternal coffee, smoking and drinking behavior on adult son’s semen quality,” P.M. Cirillo, B.A. Cohn, N.Y. Krigbaum, M. Lee, C. Brazil, and Pam Factor-Litvak [pictured here], Journal of Developmental Origins of Health and Disease, vol. 2, no. 6, 2011, pp. 375-386. […]
It’s a long story… (from the Archives of Sexual Behavior)
Behold the start (or perhaps the middle) of a twisted tale: “Be Careful that Your Snark Is Not a Boojum,” Kim Wallen, Archives of Sexual Behavior, vol. 36, no. 3, 2007, pp. 335-336. The author begins: “I write to correct a striking inaccuracy in Puts'(2006) response to my critique (Wallen, 2006) of his review of Lloyd’s […]
Sexual appliances have subclass, says the Patent Office
“SEXUAL APPLIANCE” is the official name of the US Patent and Trademark Office’s Class 600, Subclass 38. Class 600, the broad-ranging general class of which Subclass 38 is a mere part, is for inventions that, in the view of the patent office, have to do with “SURGERY”. Innovation, as seen by the Patent Office, does not happen […]