Abductor Digiti Minimi (Hand) - Podcast Version 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x The abductor digiti minimi is a hypothenar muscle located within the hand. It is the most superficial of the hypothenar muscles. Attachments: Originates from the pisiform and the tendon of the flexor carpi ulnaris. Attaches to the base of the proximal phalanx of the little finger. Actions: Abduction of the little finger Innervation: Ulnar nerve. Blood supply: Deep palmar arch By TeachMeSeries Ltd (2026) Figure 1Superficial and deep layers of the hypothenar muscles 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 Atlas Prosection of the dorsal aspect of the hand, demonstrating the dorsal interossei. Prosection of the dorsal aspect of the hand, demonstrating the dorsal interossei. 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 Frequent questions What is the abductor digiti minimi muscle? The abductor digiti minimi is a hypothenar muscle in the hand responsible for the abduction of the little finger. It is the most superficial muscle in the hypothenar region. Where does the abductor digiti minimi originate? This muscle originates from the pisiform bone and the tendon of the flexor carpi ulnaris. These attachments provide a stable base for its function. What is the primary action of the abductor digiti minimi? The main action of the abductor digiti minimi is to abduct the little finger. This movement is essential for hand dexterity and grip. Which nerve innervates the abductor digiti minimi? The abductor digiti minimi is innervated by the ulnar nerve. This nerve supply is crucial for the muscle’s function and movement control. What is the blood supply for the abductor digiti minimi? The blood supply to the abductor digiti minimi comes from the deep palmar arch. This vascularisation ensures the muscle receives adequate nutrients and oxygen for optimal performance. Rate This Article