The research aims to try to identify: 1. The differences between practices and non-practices of sports activity in the organic and psychological variables from 40-50 years 2. Correlative relationships between organic and psychological variables and lower back pain for both practices and non-practices of sports activity from 40-50 years The researchers used the descriptive approach, and the research sample was chosen by stratified random method of practicing and non-practicing women in sports activities frequented by clubs in the city of October 6, Giza Governorate (Al-Ahly - Sheikh Zayed - October 6 - Fishing) and their number is (175) women. The researchers used the tools and means of data collection (total body length measurement - visual symmetry test to measure the degree of pain - IN BODY device (in order to extract the following measurements (total body weight - muscle weight - body fat weight - body fat percentage - body mass index) which are measured by means of a device (Body composition Monitor) BMI . body mass index The two researchers, by reviewing specialized scientific references and previous studies related to the field of psychology, in addition to personal interviews with some specialists in the field, to build a scale of life events stress, whose axes were limited to (family stress - work stress - health stress - financial stress - psychological stress - emotional stress) The most important conclusions were 1- There are statistically significant differences between the two research groups, practices and non-practices of sports activity in favor of the (practices) group over the (non-practicing) group in (weight - muscle weight - body fat weight - body fat percentage - body mass index), in addition to the degree of the pain. And in the axes of the life events stress scale and in the total scale in favor of the group of practices for sports activity 2- There are statistically significant correlations between the organic and psychological variables and lower back pain for the research sample