Bilateral hamstrings tightness affect posture

2. How might bilateral hamstrings tightness affect the posture and movement of the lumbar spine in the standing position? Discuss your response in detail.
3. Explain at least two common injuries in your given area of interest, using proper terminology as well as lay person terminology for the injury. For example if you are interested in the active population (IT Band Syndrome, bursitis, Piriformis Syndrome, muscle strains, etc.) or in the elderly population (hip pointer, osteoarthritis, fractures, cam/pinser lessions, etc.)