Sometimes it’s obvious when tight hamstrings are resulting in stiffness and difficulty working out or accomplishing your everyday tasks, whether that’s walking or bending over. But sometimes it’s a lot less clear.
If you’re not sure about the state of your hamstrings, please check this 3 signs that it’s time to pay more attention to these muscles:

1. You’re Experiencing Lower Back Tightness and/or Pain Muscle tightness in one area of the body can lead to overcompensation in other parts.
   Inflexible hamstrings can cause your lumbar spine, or lower back, to compensate as you walk, sit, and go about your practice and your day. The tighter the hamstrings, the more they pull on your sitting bones, tilting your pelvis backward.
   This has a negative effect on the alignment of your spine.
   Over time, this results in lower back pain.
2. Your Hips Feel Tight and Cranky
   That tilt in your pelvis doesn’t just affect your lower back. The imbalance can also contribute to stiffness in the hips, as they overcompensate for your rigid hamstrings by supporting your lumbar spine.
3. Your Knees Hurt
   Since your hamstring’s three muscles extend all the way to your lower knee, you may experience some pain in that joint due to a lack of flexibility. When those bands of tissue are tight, it can hinder your knee’s ability to straighten and bend. Your knee may respond by pulling on that hamstring, which can lead to a slew of injuries, including osteoarthritis. If everyday movement makes your knee(s) ache, your hamstrings might be begging to be stretched.

How to help your hamstrings ? Stretch! And if pain on your back is still present after your stretching you must consider to check with your physio the reason of your lower back pain.