Normative Values and Calculation Formulas of Respiratory Muscle Strength of Adults in Turkish Society: A Population-based Study.

This study aimed to establish normative values for maximum inspiratory pressure and maximal expiratory pressure in the Turkish population while creating specific equations to calculate these values. The study involved 219 healthy adults, with a minimum of 50 individuals in specific age ranges: 20-29, 30-39, 40-49, and 50-60 years. Each age group comprised at least 25 males and 25 females.