But the back muscles?
These can get so tight that they become hard to reach.
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You may do a sustained toe touch in hopes of improving back flexibility.

triloks / Getty Images
The back rounding tends to be an offshoot of that, and it is not particularly safe, either.
That’s where the knees-to-chest stretch comes in.
But the knees-to-chest stretch is good for more than low-back muscle release.
This pulling will likely translate higher up until it reaches your lumbar spine area.
Frequently Asked Questions
The knees-to-chest stretch is the best stretch for your lower back.
This gentle move stretches several muscles across the lower back and buttocks.
However, if you experience any pain while doing this stretch, talk to your doctor or physical therapist.
They may recommend stretching just one knee to the chest at a time.
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