Sirari , A. ., and K. . Patel. “EFFECTIVENESS OF PNF STRETCHING AND CYCLIC STRETCHING OF CALF TIGHTNESS ON COLLEGE GOING GIRLS”. International Journal of Physiotherapy, vol. 2, no. 3, June 2015, pp. 552-6, doi:10.15621/ijphy/2015/v2i3/67030.