Obturator internus muscle
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- Pelvis
- Bones of pelvis (bony pelvis)
- Hip bone
- Features of hip bone (acetabulum and obturator foramen)
- Ilium
- Ilium (landmarks)
- Ischium
- Ischium (landmarks)
- Pubic bone (pubis)
- Pubis (landmarks)
- Pelvic inlet
- Pelvic outlet
- False pelvis
- True pelvis (lesser pelvis)
- Pelvic inlet, mid pelvis, and pelvic outlet
- Pelvic inlet diameters
- Pelvic outlet diameters
- Sacrospinous ligament
- Iliolumbar ligament
- Sacrotuberous ligament
- Pelvic tilt
- Lumbar lordosis
- SIJ nutation and counternutation
- Stations at birth (fetal stations)
- Pelvic floor
- Pelvic floor components
- Levator ani muscles
- Puborectalis (of levator ani)
- Pubococcygeus (of levator ani)
- Iliococcygeus (of levator ani)
- Obturator fascia
- Coccygeus muscle
- Perineum and perineal body
- Anal sphincters
- Superficial transverse perineal muscle
- Deep transverse perineal muscle
- Bulbospongiosus muscle
- Ischiocavernosus muscle
- Urogenital triangle and anal triangle
- Perineal membrane
- Pelvic floor - superior view
- Pelvic floor - inferior view
- Pelvic floor organs
- Uterus
- Ligaments of uterus
- Uterus size changes during pregnancy
- Rectus abdominis muscle
- External abdominal oblique muscle
- Internal abdominal oblique muscle
- Transversus abdominis muscle
- Diastasis recti
- Respiratory diaphragm
- Inferior vena cava
- Core system
- Rib cage changes during pregnancy
- Tensor fasciae latae muscle (TFL)
- Psoas major muscle
- Psoas minor muscle
- Iliacus muscle
- Gluteus maximus and gluteus medius muscles
- Gluteus minimus muscle
- Obturator externus muscle
- Obturator internus muscle
- Quadratus femoris muscle
- Superior and inferior gemellus muscles
- Quadratus lumborum muscle
- Piriformis muscle
- Pectineus muscle
- Inner thigh muscles (adductor longus, brevis and magnus)
- Sartorius muscle
- Rectus femoris muscle
- Hamstring muscles (semimembranosus, semitendinosus, biceps femoris)
- Multifidus muscles
- Longissimus muscles
- Iliocostalis muscles
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