The lumbricals are intrinsic muscles of the hand that flex the metacarpophalangeal joints, [1] and extend the interphalangeal joints. [1][2] The lumbrical muscles of the foot also have a similar action, though …

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:

Nov 6, 2025 · There are four lumbricals in the hand, each associated with a finger. They are very crucial to finger movement, linking the extensor tendons to the flexor tendons.

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.

Nov 17, 2023 · The lumbricals are essential for the fingers' precision grip and fine motor control. These muscles flex the MCP joints and extend the PIP and DIP joints, coordinating with other hand muscles.

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 …

The lumbricals (Latin: musculi lumbricales) are four deep intrinsic muscles of the hand that extend between the metacarpal bones. Together with the dorsal and palmar interossei, the lumbricals …

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.

The lumbricals are small fusiform muscles, arranged in series alongside the flexor tendons of the fingers. The first and second lumbricals are unipennate (arising from one tendon), while the third and …

Jun 6, 2024 · The lumbricals are 4 short intrinsic muscles of the hand, primarily responsible for the movements of the fingers. Their worm-like appearance earns them the name Lumbricals, derived …