Cardiovascular responses to sustained isometric hand grip during different phases of menstrual cycle- A cross-sectional study
Journal Title: Indian Journal of Clinical Anatomy and Physiology - Year 2018, Vol 5, Issue 3
Abstract
Introduction The endogenous gonadal hormones accompanying the menstrual cycle affect the cardiovascular responses to a bout of static isometric exercise The uncertainty over the consensus as to which phase of menstrual cycle poses greater cardiovascular stress on the female was a question often unansweredAim The aim of the present study was to assess the influence different phases of menstrual cycle on cardiovascular responses like heart rate blood pressure rate pressure product to static isometric handgrip exerciseMaterials and Methods Thirty eumenorrhic females were examined after using a hand grip dynamometer during the follicular and luteal phases of menstrual cycleStatistical Analysis Data was analysed statistically using students paired ttestResults It was observed that the baseline values of heart rate in follicular phase was 788 748 while in luteal 84 817 SBP in follicular phase 1139 663 while luteal phase 1158 591 DBP was 728 690 in the follicular phase and 765 682 in the luteal phase MVC at 30 was maintained for 1 2 and 4 mins and it was observed that all the values of HR SBP and DBP were higher in the luteal phase The rate of fall to baseline for all the cardiovascular parameters ieHR SBP and DBP were higher in the follicular phase compared to the luteal phaseConclusion The results suggest a greater sympathetic activity during the luteal phase to a bout of static isometric exercise hence it can be inferred that the sex steroids lend themselves to an interaction with the ANS indirectly reflecting in cardiovascular system functioningKeywords ANS Isometric Gonadal Oestrogen Vagal
Authors and Affiliations
Nirmala S. Anand, Shivaprasad . S. Goudar
Keywords
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- EP ID EP476100
- DOI 10.18231/2394-2126.2018.0084
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