The Effect of Inspiratory Muscle Training on the Thoracic Spine Curve, Inspiratory Volume and Cardio-Respiratory Endurance in Boys with Hyper-kyphosis: Inspiratory muscle training and hypr-kyphosis. IJHS [Internet]. 2020 Apr. 6 [cited 2025 Apr. 2];6(2). Available from: http://ijhs.shmu.ac.ir/index.php/ijhs/article/view/739