The Muscles of the Hand - Thenar - Hypothenar
Sep 27, 2024 · Dorsal Interossei. The most superficial of all dorsal muscles, these can be palpated on the dorsum of the hand. There are four dorsal interossei muscles. Attachments: Each interossei originates from the lateral and medial surfaces of the metacarpals. They attach into the extensor hood and proximal phalanx of each finger.
Dorsal interossei of hand: Anatomy and function - Kenhub
Nov 3, 2023 · Dorsal interossei muscles of hand (Musculi interossei dorsales manus) The dorsal interossei muscles are short bipennate intrinsic muscles of the hand. They are found on the dorsal aspect of the hand occupying the space between the metacarpal bones, along with the palmar interossei muscles.
Hand Anatomy: Bones, muscles, arteries and nerves | Kenhub
Nov 13, 2023 · The last three groups of hand muscles, that is the lumbricals, dorsal interossei, and palmar interossei, are situated in the deepest layer of the hand and are commonly taken together as one big group called the metacarpal muscles of the hand. They work in unison to help with the extension, flexion, abduction, and adduction of the phalanges.
7. Muscles of the Forearm and Hand - Musculoskeletal Key
Aug 22, 2016 · Intrinsic muscles on the palmar side of the hand can be divided into three groups: (1) thenar eminence, (2) hypothenar eminence, and (3) central compartment. Extrinsic finger muscles have their origin (proximal attachment) outside of the hand, in the forearm or arm.
Hand Anatomy - eOrthopod.com
Most of the small muscles that work the thumb and pinky finger start on the carpal bones. These muscles connect in ways that allow the hand to grip and hold. Two muscles allow the thumb to move across the palm of the hand, an important function called thumb opposition.
The Muscles of the Hand: Anatomy and 3D Illustrations - Innerbody
Working as antagonists to these muscles are the four dorsal interossei muscles that abduct, or spread apart, the fingers. Explore the anatomy and function of the human body's 30+ hand muscles with Innerbody's interactive 3D model.
Anatomy and Kinesiology of the Hand - Musculoskeletal Key
Apr 21, 2019 · Dorsal view of the interphalangeal joints of a finger. The joints are opened dorsally to view the articular surfaces. Note the sagittal groove of the phalangeal heads and the sagittal ridge of the phalangeal bases.
Dorsal Interossei - Actions - Innervation - TeachMeAnatomy
Jan 31, 2023 · The dorsal interossei are intrinsic muscles of the hand. They are located superficially on the dorsum of the hand, and can be palpated between the metacarpal heads. Attachments: Each interossei originates from the lateral and medial surfaces of the metacarpals.
Muscles of the Hand - 3D Models, Video Tutorials & Notes - AnatomyZone
Dec 17, 2020 · In the intrinsic muscles of the hand, you’ve got the hypothenar muscles, the thenar muscles, lumbricals, interosseous muscles, the palmaris brevis and the adductor pollicis. I’ll just talk you through those in this tutorial.
Dorsal Interossei (Hand) Anatomy, Function & Diagram | Body Maps
Jan 21, 2018 · The dorsal interossei of the hand are four muscles which are located between each of the metacarpals. Each muscle is attached at two points to the metacarpals, giving them added strength. They...