Objective of the study was to examine performance breath-holding and Ruffier tests, relationship between them other factors in healthy school age children.Material methods. The cross-sectional descriptive with 45 participants 7-13 years (22 boys 23 girls) performed. included assessment nutrition, physical activity habits, family socioeconomic data, resting anthropometric blood pressure measurem...

BACKGROUND The respiratory movements are one of the factors influencing standing balance. Although well-trained athletes have better postural performance compared to untrained men, it's not quite clear, if the formers' upright posture would be more stable during different ventilation modes, maximal voluntary hyperventilation and inspiratory breath-holding. There are no studies on this subject i...