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Anomalous insertion of abductor pollicus longus: case report
H H Celik1, E Sendemir, C Simşek
1Department of Anatomy, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
Journal of Anatomy
|June 1, 1994
Summary
A rare anatomical variation was found: the abductor pollicis longus muscle unusually inserted onto the scaphoid bone. This unique finding offers new insights into forearm muscle anatomy.
Area of Science:
- Anatomy
- Morphology
- Human Anatomy
Background:
- Anatomical variations are crucial for understanding human musculoskeletal system.
- The abductor pollicis longus (APL) muscle plays a key role in thumb abduction and hand function.
Observation:
- An atypical insertion of the abductor pollicis longus muscle was identified during a routine cadaveric dissection.
- The muscle predominantly inserted onto the scaphoid bone, deviating from typical anatomical descriptions.
Findings:
- This represents a unique anatomical variation in the insertion of the abductor pollicis longus.
- The specific insertion pattern onto the scaphoid bone has not been previously documented in literature.
Implications:
- This finding may necessitate a review of anatomical texts and surgical approaches involving the wrist.
- Understanding such variations is vital for accurate diagnosis and treatment in hand and wrist surgery.