Introduction: The idea that sexual activity can affect athletic performance has been a matter of conjecture for the past several decades. Aim: To provide preliminary data on whether sexual activity the evening before several physical exercise performance tests affects performance the next day. Methods: Eight participants (mean age, 28 ± 5 years) underwent several physical exercise performance tests on 3 different mornings, under 3 conditions: (i) no sexual intercourse the night before the tests (control), (ii) sexual intercourse the night before the tests, and (iii) yoga the night before the tests (randomized, single-blinded). Main Outcome Measures: Physical work capacity, lower body muscular power (standing vertical jump), upper body strength (handgrip strength), reaction time, and upper body musculoskeletal endurance (number of push-ups completed). Results: All participants experienced orgasm through intercourse. The more pleasurable the orgasm, the lower the systolic blood pressure (SBP) on the day after intercourse (Spearman's rho = -0.86; P =.007). For every 2% increase in the total orgasm score, SBP decreased by 1 mmHg. Intercourse lasted 13 minutes; mean heart rate (HR) and caloric expenditure ranged from 88 to 145 beats/minute and from 53 to 190 kcal, respectively. There were no significant differences in the physical working capacity that elicited an HR of 170 beats/minute, number of push-ups completed, vertical jump height, grip strength, or reaction time across the 3 conditions. Conclusion: Orgasm through sexual activity on the night before physical exercise may reduce SBP; however, we were unable to demonstrate a statistically significant difference in physical exercise performance in any of the 3 conditions. Zavorsky GS, Vouyoukas E, Pfaus JG. Sexual Activity the Night Before Exercise Does Not Affect Various Measures of Physical Exercise Performance. Sex Med 2019;XX:XXX–XXX.
Zavorsky, G. S., Vouyoukas, E., & Pfaus, J. G. (2019). Sexual Activity the Night Before Exercise Does Not Affect Various Measures of Physical Exercise Performance. Sexual Medicine. Elsevier B.V. https://doi.org/10.1016/j.esxm.2018.12.002