The extensor indicis et medii communis.
The aim of this study was to examine the existence of the extensor indicis et medii communis in detail. Thirty-one randomly selected adult cadavers (62 upper extremities) were examined for this project (22 males and 9 females between the ages 38 and 87). The muscle was observed in 3 of 62 hands, an incidence of 4.8%. One was in the right and the other two were in the left hands. Mean length and width of the muscle belly were 4.5 +/- 0.8 and 0.8 +/- 0.3 mm, respectively. Although the muscle did not have a junctura tendinum attachment between its two tendons, in one hand, the tendon to the index finger gave a thin slip to the tendon of the extensor digitorum communis for the same finger. Knowledge of variant muscle may be important when one is assessing the traumatized or diseased hand.
Yalçin
Bülent
B
Department of Anatomy, Gulhane Military Medical Academy, Ankara, Turkey. byalcin@gata.edu.tr
Kutoglu
Tunç
T
Ozan
Hasan
H
Gürbüz
Hülya
H
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002102:Cadaver; D005260:Female; D005542:Forearm / Q000033:anatomy & histology*; D006225:Hand / Q000033:anatomy & histology*; D006801:Humans; D008297:Male; D042282:Microdissection; D008875:Middle Aged; D018482:Muscle, Skeletal / Q000033:anatomy & histology*; D013710:Tendons / Q000033:anatomy & histology*