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Doubled palmaris longus muscle (with accessorius ad flexorem minimi digiti)
Anatomischer Anzeiger
|January 1, 1986
Summary
A rare anatomical variation of the palmaris longus muscle is presented, featuring a doubled muscle belly and unique tendinous connections. This finding offers insights into human anatomical diversity and potential clinical implications.
Area of Science:
- Anatomy
- Human Morphology
- Musculoskeletal System
Background:
- The palmaris longus is a superficial forearm muscle.
- Variations in the palmaris longus muscle are uncommon.
Purpose of the Study:
- To describe a unique and complex variation of the palmaris longus muscle.
- To document the specific anatomical features and insertions of the variant muscle.
Main Methods:
- Gross anatomical dissection.
- Detailed morphological description and photographic documentation.
Main Results:
- A completely doubled palmaris longus muscle with a tendinous cross slip was identified.
- The muscle tendons inserted onto the hypothenar and thenar fasciae and carpal bones.
- One tendon originated the accessorius ad flexorem minimi digiti muscle.
Conclusions:
- This case presents a rare combination of palmaris longus variations.
- The findings contribute to the understanding of anatomical variability in the human forearm and hand.