Introduction: Physical activity is considered to be one of the keystones of a healthy lifestyle and an indispensable condition for correct body posture. The purpose of the study was to check the body posture of young males with above-average physical activity and how the position of the trunk changes after extending the arms forward. The frequency and intensity of back pain among male... https://www.danddcollectiblers.shop/product-category/endrocrine-health/