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1. Hamstrings
Action: Function. The hamstrings cross and act upon
two joints - the hip and the knee. Semitendinosus and
semimembranosus extend the hip when the trunk is
fixed; they also flex the knee and medially (inwardly)
rotate the lower leg when the knee is bent.

2. Stretch 1

3. Do not !!!

4. Stretch 2
1 2 3

5. Stretch 3 (Lying Stretch)