Extensor Digiti Minimi - Podcast Version TeachMeAnatomy 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x The extensor digiti minimi is a muscle within the superficial compartment of the posterior forearm. The tendon of the extensor digiti minimi passes through the 5th extensor compartment at the wrist. Attachments: Originates from the lateral epicondyle of the humerus. It attaches into the extensor hood of the little finger. Actions: Extension of the little finger, and weak extensor at the wrist. Innervation: Radial nerve (deep branch). Blood supply: Radial artery By TeachMeSeries Ltd (2025) Fig 1The muscles in the superficial layer of the posterior forearm. 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 Pro Feature - Dissection Images Prosection of the superficial layer of muscles within the posterior compartment of the forearm. Prosection of the superficial layer of muscles within the posterior compartment of the forearm. You've Discovered a Pro Feature Access our Dissection Image Library Enhance your understanding with high-resolution dissection images showcasing real-life anatomy. Learn More Rate This Article