📓 About Book: The book is based on the research study. The objective of the study was to find out the correlation between Wrestling performance and back strength in relation to different weight categories. The second objective of the study was to establish a regression equation to estimate Wrestling performance on the basis of back strength in relation to different weight categories. To find out the correlation between Wrestling Performance and back strength in relation to different weight categories, Product Moment Method of Correlation was used. To estimate Wrestling Performance on the basis of back strength in relation to different weight categories, Linear Regression Equation was established.