5. Original Scientific Paper
Abstract

The vincula tendinum of the hands are synovial folds, which connect the tendons of the flexor digitorum profundus and superficialis muscles to the phalanges and interphalangeal articulations of the hand. The vincula system of the hand consists of the vincula brevia and longa. The aim of this study was to document and compare the anthropometric values of the vincula longa of the 2nd to 5th digits, in Nigerian cadavers. Thirty (30) formalin fixed adult male Nigerian cadavers, with no traumatic or surgical evidence in the hand were obtained and the hand dissected. The vincula longa was exposed following dissection procedures as provided by Cunningham’s manual of practical anatomy volume 1, and measured with the aid of a digital vernier caliper (mm). Statistical Package for Social Sciences (SPSS) version 23.0 was used for descriptive statistics. Unpaired t-test was used for mean comparison of proximal and distal digit length, and test of symmetry was performed using paired t-test. P< 0.05 was considered statistically significant. The total mean±SD value of the vincula longa in the right index finger was 13.47±3.95mm and 14.52±3.24mm on the left. The value of the vincula longa in the right and left middle fingers were 13.34±3.05mm and 14.24±2.59mm, respectively. The total mean±SD value of the vincula longa in the right and left ring fingers were 11.38±2.49mm and 12.17±2.45mm, respectively. 9.57±2.49mm and 9.57±2.76mm were the mean±SD values of the vincula longa in the right and left little fingers, respectively. It was noted that the values of the proximal vincula longa were greater than those of the distal vincula longa of the same digit, their differences were statistically significant (P<0.05). No statistically significant difference (P>0.05) was observed between the proximal right and left vincula longa of the middle and little fingers, and the distal right and left vincula longa of the little finger. Additionally, statistically significant differences (P>0.05) were observed between the proximal right and left vincula longa of the index and ring fingers, and the distal right and left vincula longa of the index, middle, and ring fingers.

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