Abstract
The extensor digitorum (ED) muscle of the hand originates from the lateral condyle of the humerus and splits into four tendons; each for one phalanx except the thumb. Literature reports have described multiple tendons (usually two) to each digit but in the presented study we observed four tendons to the ring finger, what is rare. During a routine dissection of the cadavers, we observed an anomalous arrangement of the ED tendon on the left hand of a 42-year-old male. The anomalous tendons to the ring finger were studied in detail, the surrounding structures were carefully delineated and the specimen was photographed. The ED muscle originated as usual from the lateral condyle of the humerus, continued downwards, passing inferiorly to the extensor retinaculum to split into individual tendons for each of the digits. There was a single tendon to the index, middle and ring finger as usual but the ring finger displayed four tendons. All the tendons attached to the phalanges were as described in anatomy textbooks. The arrangement of the anomalous tendons of ED to each of the digits is not uncommon, but existence of four tendons to the ring finger is extremely rare. The increased number of tendons to the ring finger may increase the extension component of the ring finger. Anatomical knowledge of the tendons of the extensor muscles of the hand may be also beneficial for hand surgeons performing graft operations.
| Original language | English |
|---|---|
| Pages (from-to) | 584-586 |
| Number of pages | 3 |
| Journal | Bratislava Medical Journal |
| Volume | 109 |
| Issue number | 12 |
| Publication status | Published - 2008 |
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Keywords
- Anatomy
- Extensor digitorum
- Graft
- Muscle
- Surgery
- Tendon
- Variations
ASJC Scopus subject areas
- Medicine(all)
Cite this
The additional tendons of the extensor digitorum muscle of the hand : An anatomical study with a clinical significance. / Das, Srijit; Sulaiman, Israa M.; Pa Pa Hlaing @ Farida Hussan, Khin; Latiff, Azian Abd; Suhaimi, Farihah; Othman, Faizah.
In: Bratislava Medical Journal, Vol. 109, No. 12, 2008, p. 584-586.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - The additional tendons of the extensor digitorum muscle of the hand
T2 - An anatomical study with a clinical significance
AU - Das, Srijit
AU - Sulaiman, Israa M.
AU - Pa Pa Hlaing @ Farida Hussan, Khin
AU - Latiff, Azian Abd
AU - Suhaimi, Farihah
AU - Othman, Faizah
PY - 2008
Y1 - 2008
N2 - The extensor digitorum (ED) muscle of the hand originates from the lateral condyle of the humerus and splits into four tendons; each for one phalanx except the thumb. Literature reports have described multiple tendons (usually two) to each digit but in the presented study we observed four tendons to the ring finger, what is rare. During a routine dissection of the cadavers, we observed an anomalous arrangement of the ED tendon on the left hand of a 42-year-old male. The anomalous tendons to the ring finger were studied in detail, the surrounding structures were carefully delineated and the specimen was photographed. The ED muscle originated as usual from the lateral condyle of the humerus, continued downwards, passing inferiorly to the extensor retinaculum to split into individual tendons for each of the digits. There was a single tendon to the index, middle and ring finger as usual but the ring finger displayed four tendons. All the tendons attached to the phalanges were as described in anatomy textbooks. The arrangement of the anomalous tendons of ED to each of the digits is not uncommon, but existence of four tendons to the ring finger is extremely rare. The increased number of tendons to the ring finger may increase the extension component of the ring finger. Anatomical knowledge of the tendons of the extensor muscles of the hand may be also beneficial for hand surgeons performing graft operations.
AB - The extensor digitorum (ED) muscle of the hand originates from the lateral condyle of the humerus and splits into four tendons; each for one phalanx except the thumb. Literature reports have described multiple tendons (usually two) to each digit but in the presented study we observed four tendons to the ring finger, what is rare. During a routine dissection of the cadavers, we observed an anomalous arrangement of the ED tendon on the left hand of a 42-year-old male. The anomalous tendons to the ring finger were studied in detail, the surrounding structures were carefully delineated and the specimen was photographed. The ED muscle originated as usual from the lateral condyle of the humerus, continued downwards, passing inferiorly to the extensor retinaculum to split into individual tendons for each of the digits. There was a single tendon to the index, middle and ring finger as usual but the ring finger displayed four tendons. All the tendons attached to the phalanges were as described in anatomy textbooks. The arrangement of the anomalous tendons of ED to each of the digits is not uncommon, but existence of four tendons to the ring finger is extremely rare. The increased number of tendons to the ring finger may increase the extension component of the ring finger. Anatomical knowledge of the tendons of the extensor muscles of the hand may be also beneficial for hand surgeons performing graft operations.
KW - Anatomy
KW - Extensor digitorum
KW - Graft
KW - Muscle
KW - Surgery
KW - Tendon
KW - Variations
UR - http://www.scopus.com/inward/record.url?scp=62549099504&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=62549099504&partnerID=8YFLogxK
M3 - Article
VL - 109
SP - 584
EP - 586
JO - Bratislavske Lekarske Listy
JF - Bratislavske Lekarske Listy
SN - 0006-9248
IS - 12
ER -