Start seated with one leg extended and the other bent.
Reach toward the foot of the leg that is extended, bouncing back and forth between the beginning and stretched positions.
راهنمای تمرین बैठकर एक-पैर हैमस्ट्रिंग स्ट्रेच - تمرین जांघ की पिचली मांसपेशियां | MuscleWiki