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P., Dr. Ramesh
- Study on Structural Variations of Palmaris Longus Muscle
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Source
International Journal of Innovative Research and Development, Vol 3, No 8 (2014), Pagination:Abstract
Aim: To find out the frequency of structural variations of Palmaris longus muscle in cadavers.
Materials and Methods: The structural variations of Palmaris longus muscle were studied in 60 dissected formalin fixed upper limb specimens of Anatomy department of Chettinad Hospital and Research Institute, Chennai.
Result: out of 60 upper limb specimens 2 specimens showed reverse Palmaris longus muscle and 1 specimen showed whole length as a muscular part of Palmaris longus muscle.
Conclusion: these types of rare variations lead to compression of distal part of median nerve so surgeons and clinicians should be aware of these types of variations before going to management of median nerve compression syndrome.
Keywords
Palmaris longus, median nerve compression syndrome- Variation in Innervation of Lumbricals of Hands
Authors
Source
International Journal of Innovative Research and Development, Vol 3, No 5 (2014), Pagination:Abstract
Aim: To study the innervation pattern of lumbricals.
Materials & methods: The study was carried on 54 hands of both sexes of different age groups used for routine dissection in Anatomy department at CHRI. The distribution patterns of the muscular branches of median & ulnar nerve were studied in detail.
Results: In the present study, variations in innervations of lumbriclas from the normal pattern were found. In 3 hands (5.5%), the second lumbrical was solely supplied by a branch from the deep branch of ulnar nerve. The third lumbrical was supplied by median nerve in 1 hand (1.85%), & by both median and ulnar in 4 hands.
Conclusion: Clinican & hand surgeons should be aware of such a variation in innervation of lumbricals during various surgical procedures.