E., L., J. H. C. B., and S. S. M. C. S. “Immediate Effects of Static Stretching and Post Isometric Relaxation on Hamstring Flexibility Among Sedentary Young Adults: A Pilot Study”. International Journal Of Community Medicine And Public Health, vol. 9, no. 7, June 2022, pp. 2854-8, doi:10.18203/2394-6040.ijcmph20221748.