The position of your pelvis matters a great deal to your spinal alignment and yourlow-backhealth.

Posterior pelvic tilt is because of an imbalance between the core muscles and the leg muscles.

It can cause a variety of uncomfortable symptoms, such as tight hamstrings andback pain.

An illustration of posterior pelvic tilt

Illustration by Jessica Olah for Verywell Health

This article discusses the causes and symptoms of a posterior pelvic tilt.

It also covers treatment, including specific exercises to try, as well as sleep and sitting modification options.

Hamstring tension, or engagement, plays a major role in having good balance and proper posture.

Hamstring issues, such as long-term tightness, can significantly contribute to a posterior pelvic tilt.

How Do I Know If I Have Posterior Pelvic Tilt?

An excessive backward tilt of the pelvis can negatively impact your posture and lead to associated pain.

Symptoms vary, but may include a slouched posture, hamstring tightness, back pain, and more.

Treatment often involves exercises that target specific muscles, as well as sleep position and sitting modifications.

2015;27(5):1333-5. doi:10.1589/jpts.27.1333

National Academy of Sports Medicine.The problem with the hamstring problem.

Science Direct.Posterior pelvic tilt.

University of Rochester Medical Center.Good sleeping posture helps your back.