A member asked:

Often when i move my back (left leg in supine position), even slightly, i feel and hear a "pop" from my sacrum. what would cause this? need 4 concern?

A doctor has provided 1 answer

With pain?: Can't say for certain but need to consider the the differential - fracture but you had an MRI of something? tendon, ligament or muscle pull. It is also important to know if this occurs with raising your leg forward as well as backwards. It sounds like something is slipping. Also is the area that pops tender and can you feel as well as hear the pop. You say you can not bear weight - why?

Answered 9/8/2014

3.7k views

Thank

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