Chrome Extension

Home › Body Atlas › Muscles

Body Atlas, Muscle Reference

Muscles

Complete muscle reference, origins, insertions, nerve supply, actions, clinical notes, and common injuries.

676 muscles

676 muscles

Muscle Extensor Digitorum Ring Slip musculus extensoris digitorum fasciculus annularis Forearm The ring finger slip of EDC is often the largest of the four slips and is… Muscle Extensor Hallucis Brevis musculus extensor hallucis brevis Foot & Ankle The extensor hallucis brevis is technically the medial portion of the extensor digitorum brevis, providing a… Muscle Extensor Hallucis Brevis Detail musculus extensor hallucis brevis detail Foot & Ankle The extensor hallucis brevis is the medial slip of the extensor digitorum brevis, acting on the… Muscle Extensor Hallucis Longus musculus extensor hallucis longus Lower Leg The extensor hallucis longus runs between the tibialis anterior and extensor digitorum longus in the anterior… Muscle Extensor Hallucis Longus Detail musculus extensor hallucis longus detail Lower Leg EHL is the key muscle for hallux clearance during swing phase. Its weakness produces drop hallux.… Muscle Extensor Indicis musculus extensor indicis Forearm The extensor indicis is the only finger extensor with an independent muscle belly dedicated to a… Muscle Extensor Indicis (Full) musculus extensor indicis Forearm The extensor indicis provides the independent index finger extension needed for pointing while the other digits… Muscle Extensor Pollicis Brevis musculus extensor pollicis brevis Forearm The extensor pollicis brevis travels through the first extensor compartment alongside the abductor pollicis longus, forming… Muscle Extensor Pollicis Brevis Detail musculus extensor pollicis brevis detail Forearm EPB runs with APL in the first extensor compartment and may have its own sub-compartment in… Muscle Extensor Pollicis Longus musculus extensor pollicis longus Forearm The extensor pollicis longus runs obliquely through the third extensor compartment around Lister tubercle on the… Muscle Extensor Pollicis Longus Detail musculus extensor pollicis longus detail Forearm EPL is the only extensor of the thumb IP joint and forms the medial border of… Muscle External Anal Sphincter musculus sphincter ani externus Pelvis & Hip The external anal sphincter is the voluntary striated muscle sphincter surrounding the anal canal, providing the… Muscle External Anal Sphincter Detail musculus sphincter ani externus detail Abdomen The external anal sphincter is the voluntary component of anal continence, producing the squeeze pressure measured… Muscle External Intercostals Detail musculi intercostales externi detail Chest The external intercostals are the inspiratory intercostal muscles, running obliquely forward and downward. Their oblique direction… Muscle External Oblique musculus obliquus externus abdominis Abdomen The external oblique is the largest and most superficial of the flat abdominal muscles, with fibres… Muscle External Oblique Detail musculus obliquus externus abdominis detail Abdomen The outermost flat abdominal muscle with fibres running inferomedially. Its lower edge forms the inguinal ligament… Muscle External Urethral Sphincter musculus sphincter urethrae externus Pelvis & Hip The external urethral sphincter provides the voluntary conscious control of urination, encircling the membranous urethra as… Muscle External Urethral Sphincter Detail musculus sphincter urethrae externus detail Abdomen The external urethral sphincter is the voluntary component of urinary continence, under pudendal nerve control. In… Muscle First Dorsal Interosseous (Detail) musculus interosseus dorsalis primus manus detail Hand & Wrist The first DI is the largest dorsal interosseous and the first intrinsic to show wasting in… Muscle First Dorsal Interosseous Foot Detail musculus interosseus dorsalis primus pedis detail Foot & Ankle The first dorsal interosseous of the foot abducts the second toe toward the hallux. The foot's… Muscle First Dorsal Interosseous of the Foot musculus interosseus dorsalis primus pedis Foot & Ankle The first dorsal interosseous of the foot is the largest of the four dorsal interossei, occupying… Muscle First Lumbrical Detail (Hand) musculus lumbricalis primus manus detail Hand & Wrist The first lumbrical is the most radial and is median-nerve innervated (unlike lumbricals 3 and 4… Muscle First Lumbrical of the Foot musculus lumbricalis primus pedis Foot & Ankle The first lumbrical is the only foot lumbrical innervated by the medial plantar nerve. It arises… Muscle First Lumbrical of the Hand musculus lumbricalis primus manus Hand & Wrist The first lumbrical is the most radially placed hand lumbrical, arising from the radial border of…

←1…5 678 9…29 →