El músculo extensor radial corto del carpo es un músculo situado en el compartimento superficial de la parte posterior del antebrazo. Su ubicación lateral en el antebrazo produce tanto abducción como extensión de la muñeca. El tendón del músculo extensor radial corto del carpo atraviesa el segundo compartimento extensor de la muñeca. Inserciones: se origina en el epicóndilo lateral del húmero y se inserta en la base del tercer metacarpiano. Acciones: extensión y abducción de la muñeca. Inervación: nervio radial. Irrigación sanguínea: arteria radial. By TeachMeSeries Ltd (2026) Fig. 1: los músculos de la capa superficial de la parte posterior del antebrazo. 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 extensor carpi radialis brevis muscle? The extensor carpi radialis brevis is a muscle located in the superficial compartment of the posterior forearm, responsible for wrist extension and abduction. It plays a crucial role in movements involving the wrist joint. What are the attachments of the extensor carpi radialis brevis? This muscle originates from the lateral epicondyle of the humerus and inserts at the base of the third metacarpal. These specific attachments facilitate its function in wrist movements. What actions does the extensor carpi radialis brevis perform? The primary actions of the extensor carpi radialis brevis are wrist extension and abduction. These movements are essential for various hand and wrist activities. Which nerve innervates the extensor carpi radialis brevis? The extensor carpi radialis brevis is innervated by the radial nerve. This innervation is vital for the muscle's function and control during wrist movements. What is the blood supply to the extensor carpi radialis brevis? The blood supply to the extensor carpi radialis brevis comes from the radial artery. Adequate blood flow is important for maintaining muscle health and function. Rate This Article