Tejal Patel, Bodhisattva Dass, RinkleHotwani. “Role of Ankle Position in Static Stretching for Hamstrings to Improve Flexibility in Post-Operative Knee Stiffness-a Case Report”. Annals of the Romanian Society for Cell Biology, Apr. 2021, pp. 11639-43, https://annalsofrscb.ro/index.php/journal/article/view/3984.