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Muscles of the Forearm that Move the Hand and Fingers

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The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi radialis,...

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The flexor digitorum accessorius longus-a cadaveric study.

Cody A Bowers¹, Robert W Mendicino, Alan R Catanzariti

¹Department of Foot and Ankle Surgery, The Western Pennsylvania Hospital, Pittsburgh, USA.

The Journal of Foot and Ankle Surgery : Official Publication of the American College of Foot and Ankle Surgeons

|February 24, 2009

Summary

The flexor digitorum accessorius longus is an anatomical variant linked to ankle and hindfoot issues, potentially causing tarsal tunnel syndrome. This study details its precise anatomy, previously lacking thorough illustration in literature.

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Area of Science:

Anatomy
Orthopedics
Podiatry

Background:

The flexor digitorum accessorius longus (FDAL) is an anatomical variant.
It is associated with posteromedial ankle and hindfoot pathologies.
FDAL has been implicated as a cause of tarsal tunnel syndrome.

Observation:

The precise anatomical details of the FDAL, including its origin, course, and insertion, are not well-documented in existing literature.
This study aimed to provide a detailed anatomical description of the FDAL.

Findings:

Cadaveric dissection was performed to meticulously illustrate the anatomy of the FDAL.
A photographic study was prepared to document the anomalous skeletal muscle.

Implications:

Accurate anatomical knowledge of the FDAL is crucial for understanding and diagnosing associated pathologies.
This detailed illustration aids clinicians in identifying and managing conditions related to this variant muscle.
Further research can build upon this detailed anatomical foundation.