TY - T1的呼吸系统雷莫的证据delling in a competitive freediver JF - European Respiratory Journal JO - Eur Respir J SP - 760 LP - 762 DO - 10.1183/09031936.00176412 VL - 41 IS - 3 AU - Seccombe, Leigh M. AU - Jenkins, Christine R. AU - Rogers, Peter G. AU - Pearson, Mark A. AU - Peters, Matthew J. Y1 - 2013/03/01 UR - //www.qdcxjkg.com/content/41/3/760.abstract N2 - To the Editor:We present a healthy freediving subject with increasing lung volumes associated with repeated use of a technique used to enhance athletic performance. The repeated use of the technique over time appears to have altered respiratory system mechanics without any functionally important macroscopic lung damage, at least as evidenced by computed tomography scans and measures of gas exchange.Glossopharyngeal insufflation (GI) employs the glossopharyngeal structures to force air into the lungs above total lung capacity (TLC). It was developed to assist patients with diaphragm weakness in the era when polio was common [1]. Competitive freedivers have modified this technique to increase lung gas prior to apnoea [2], which has proven to enhance duration, distance and depth achieved while submersed.Lung barotrauma has been associated with GI [3, 4], which raises the possibility that use of this technique results in significant lung damage and long-term physiological impairment.The research data from a healthy competitive freediver who practised regular GI training was reviewed. This included longitudinal respiratory function and computed tomography images.On initial presentation in 2004, the subject was a 25-year-old male (186 cm, 90 … ER -