Morphometric Analysis of the Suprascapular Notch

Abstract

Suprascapular nerve entrapment may be due to the variable morphology of the suprascapular notch. The present study was done in 100 scapulae obtained from the bone room of the department of anatomy of the Maharaja Agrasen Medical College (MAMC), Agroha as well as the Pandit B.D Sharma Postgraduate Institute of Medical Sciences (PGIMS) Rohtak. The suprascapular notch has been classified by various workers in different populations but no such data to the best of our knowledge is available from India. The aim of the present study is to study the morphometry and morphology of suprascapular notch in the population of north-west region of India. In the present study the suprascapular notch is classified on the basis of two classifications, proposed by Natsis et al and Iqbal et al. Based on the classification proposed by Natsis et al two parameters- the vertical length of the notch and transverse diameter of the notch were measured, the notch was classified into five types and following observations were made in the present study: type I, without a discrete notch (5%); type II, a notch that was longest in its transverse diameter (72%); type III, a notch that was longest in its vertical diameter (20%); type IV, a bony foramen (3%); type V, a notch and a bony foramen (none). On the basis of the classification proposed by Iqbal et al, where the