Inspiratory Muscle Training in Children With Beta Thalasemia

respiratory complications are very prevalent in children with beta thalasemia major (BTM), so choosing inspiratory muscle trianing to decrease of prevent it and to improve pulmoanry funntions is important

children patients with BTM accounted 40 children will assigned to a group of inspiratory muscle training or waiting list group. the group will contain twenty children. the group of training will receive two session per day of training by threshold inspiratory muscle trainer ( for six day per week for 12 weeks)