Oct 30, 2023 · Learn more about the anatomy of hand muscles, including the lumbricals, using the articles, videos, illustrations and quizzes included in the following study units:

The lumbricals are four, small, worm-like muscles on each hand. These muscles are unusual in that they do not attach to bone.

Nov 6, 2025 · The lumbricals are intrinsic muscles of the hand. There are four lumbricals - each associated with a digit. They originate from the tendon of the flexor digitorum profundus.

Dec 14, 2021 · Interactive 3D model and details on the anatomy of the lumbricals of the hand covering their origin, insertion, action, innervation and blood supply.

Aug 8, 2023 · What are lumbricals and interossei? The lumbricals are the first and foremost contributors to flexion at the metacarpophalangeal joints as well as an extension at the DIP and PIP joints; …

Apr 8, 2024 · The lumbricals assist in controlling the little and difficult movements of the fingers by working with other hand muscles. These muscles are necessary for typing, holding things, and …

Nov 23, 2023 · The lumbricals are intrinsic muscles of the hand that flex the metacarpophalangeal joints and extend the interphalangeal joints. They are four, small, worm-like muscles on each hand.

• Index and long finger lumbricals (unipennate) ““ radial side of flexor digitorum profundus tendons to index and long fingers. • Ring finger lumbrical (bipennate) ““ ulnar aspect of long finger flexor …

The lumbricals are deep muscles of the hand that flex the metacarpophalangeal joints and extend the interphalangeal joints. It has four, small, worm-like muscles on each hand.

Jul 10, 2024 · The four slender hand lumbrical muscles were named because of their worm-like form (L. lumbricus, earthworm). They are short muscles of the hand alongside with the dorsal interossei and …