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Effect of Balloon Blowing Exercise and Liuzijue Exercise on Peak Expiratory Flow Rate (PEFR) in Third Trimester Pregnant Women: A Comparative Study


Authors : Rucha Suresh Deore; Dr. Sadaf Patel; Dr. Richa Kashyap; Dr. Nishant Singh

Volume/Issue : Volume 11 - 2026, Issue 3 - March


Google Scholar : https://tinyurl.com/3hvs23sf

Scribd : https://tinyurl.com/r8jztb83

DOI : https://doi.org/10.38124/ijisrt/26mar325

Note : A published paper may take 4-5 working days from the publication date to appear in PlumX Metrics, Semantic Scholar, and ResearchGate.


Abstract : Background: Pregnancy is associated with various anatomical and physiological changes, particularly affecting the respiratory system. During the third trimester, lung volumes and pulmonary function parameters such like Peak Expiratory Flow Rate (PEFR) are reduced. Breathing exercises are considered beneficial during third trimester of pregnancy.  Objective: To compare the effectiveness of balloon blowing exercise and Liuzijue exercise on Peak Expiratory Flow Rate (PEFR) in third-trimester pregnant women.  Methods: A comparative experimental study was conducted on third-trimester pregnant women. The participants were randomly divided into two groups: Group A (Balloon Blowing Exercise, n = 20) and Group B (Liuzijue Exercise, n = 20). PEFR was measured using a peak expiratory flow meter before and after the intervention period.  Results: Both groups showed a statistically significant improvement in PEFR following the intervention. On comparison, Group B demonstrated a significantly greater improvement in PEFR than Group A (p < 0.05), indicating the superior effectiveness of Liuzijue exercise.  Conclusion: Liuzijue exercise was found to be more effective in enhancing respiratory function involving controlled breathing, diaphragmatic activation, and relaxation.

Keywords : Pregnancy, Third Trimester, Peak Expiratory Flow Rate, Balloon Blowing Exercise, Liuzijue Exercise, Antenatal Physiotherapy.

References :

  1. Zannat MR, Nessa A. Peak expiratory flow rate (PEFR) in first and third trimester of pregnancy. Mymensingh Med J. 2016;25(4):597–600.
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Background: Pregnancy is associated with various anatomical and physiological changes, particularly affecting the respiratory system. During the third trimester, lung volumes and pulmonary function parameters such like Peak Expiratory Flow Rate (PEFR) are reduced. Breathing exercises are considered beneficial during third trimester of pregnancy.  Objective: To compare the effectiveness of balloon blowing exercise and Liuzijue exercise on Peak Expiratory Flow Rate (PEFR) in third-trimester pregnant women.  Methods: A comparative experimental study was conducted on third-trimester pregnant women. The participants were randomly divided into two groups: Group A (Balloon Blowing Exercise, n = 20) and Group B (Liuzijue Exercise, n = 20). PEFR was measured using a peak expiratory flow meter before and after the intervention period.  Results: Both groups showed a statistically significant improvement in PEFR following the intervention. On comparison, Group B demonstrated a significantly greater improvement in PEFR than Group A (p < 0.05), indicating the superior effectiveness of Liuzijue exercise.  Conclusion: Liuzijue exercise was found to be more effective in enhancing respiratory function involving controlled breathing, diaphragmatic activation, and relaxation.

Keywords : Pregnancy, Third Trimester, Peak Expiratory Flow Rate, Balloon Blowing Exercise, Liuzijue Exercise, Antenatal Physiotherapy.

Paper Submission Last Date
31 - March - 2026

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