Abstract

To determine whether neuromuscular electrical stimulation of calf muscles could improve nocturnal symptoms and quality of life in asthmatic children. Sixty children (8-12 years) with moderate asthma were randomly allocated to three groups (A, B, and C). The three groups completed 12 weeks of supervised breathing exercises for 30 min. In addition, group A completed neuromuscular electrical stimulation of the calf muscles and group B completed aerobic exercise in the same period. The intervention was conducted five days a week for 12 consecutive weeks. Pre-and post-treatment evaluations involved pulmonary function tests, the Children's Asthma Control Questionnaire, calf muscle isometric muscle force, six-minute walk test, and Pediatric Asthma Quality of Life Questionnaire. A significant increase in all measured variables was recorded in all groups in favor of group A (p < 0.001). However, calf muscle isometric muscle strength, and nocturnal symptoms were non-significant in group C (p > 0.05). There was a significant difference between groups A and C in all measured variables (p < 0.001) in favor of group A. Significant differences between groups B and C in all measured variables (p < 0.001) in favor of group B were also noted. No significant differences were seen between groups A and B (p > 0.05). Neuromuscular electrical stimulation of calf muscles is an excellent adjunct to breathing exercise programs in improving nocturnal symptoms and quality of life in asthmatic children. Moreover, it can serve as a considerable alternative to traditional physical training in periods of disease exacerbation.

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