Nutation and counternutation are movements that occur in the sacroiliac joint (SIJ), which is a paired joint formed between the sacrum and the ilium. Both movements are important in the context of posture, walking, and childbirth, and they involve the sacrum, coccyx, and hip bones. For the full description of these movements, check out this video in our Media Library!📹 Learn human anatomy fast at Anatomy.app!🧠 https://anatomy.app #anatomy #medschool #medstudent | Anatomy.app

461K views · 9.4K reactions | Butt pain, specifically sciatic nerve tension & SIJ dysfunction. Two very common injuries, but also very treatable without meds, injections, or surgery. Here are two tests to identify which one you may have, but these are not 100% definitive — always best to be evaluated in-person by a LEGIT physical therapist. #sciatica #sijointdysfunction #sijoint #sciaticapain #lowbackpain | Dr. Jacob | Facebook