El obturador interno es un músculo de la región glútea de la extremidad inferior. Forma parte de la pared lateral de la cavidad pélvica. Inserciones: se origina en el pubis y el isquion en el agujero del obturador. Atraviesa el agujero ciático menor y se inserta en el trocánter mayor del fémur. Acciones: rotación lateral y abducción de la extremidad inferior. Inervación: nervio del obturador interno. Irrigación sanguínea: arteria obturadora By TeachMeSeries Ltd (2026) Fig. 1: los músculos profundos de la región glútea. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Frequent questions What is the obturator internus muscle? The obturator internus is a muscle located in the gluteal region of the lower limb, forming part of the lateral wall of the pelvic cavity. It plays a crucial role in the movement and stability of the hip joint. Where does the obturator internus muscle originate and insert? The obturator internus originates from the pubis and ischium at the obturator foramen and inserts into the greater trochanter of the femur. This positioning allows it to effectively contribute to hip movements. What actions does the obturator internus muscle perform? The primary actions of the obturator internus include lateral rotation and abduction of the lower limb. These movements are essential for various activities such as walking and maintaining balance. Which nerve innervates the obturator internus muscle? The obturator internus muscle is innervated by the obturator internus nerve. This nerve is responsible for transmitting signals that enable muscle contraction and movement. What is the blood supply for the obturator internus muscle? The obturator internus muscle receives its blood supply from the obturator artery. This vascularisation is vital for delivering oxygen and nutrients necessary for muscle function. Rate This Article