Aerobic exercise training without weight loss reduces dyspnea on exertion in obese women

Vipa Bernhardt, Jonathon L. Stickford, Dharini M. Bhammar, Tony G. Babb

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

Dyspnea on exertion (DOE) is a common symptom in obesity. We investigated whether aerobic exercise training without weight loss could reduce DOE. Twenty-two otherwise healthy obese women participated in a 12-week supervised aerobic exercise training program, exercising 30min/day at 70-80% heart rate reserve, 4 days/week. Subjects were grouped based on their Ratings of Perceived Breathlessness (RPB) during constant load 60W cycling: +DOE (n=12, RPB≥4, 37±7 years, 34±4kg/m2) and -DOE (n=10, RPB≤2, 32±6 years, 33±3kg/m2). No significant differences between the groups in body composition, pulmonary function, or cardiorespiratory fitness were observed pre-training. Post-training,peak was improved significantly in both groups (+DOE: 12±7, -DOE: 14±8%). RPB was significantly decreased in the +DOE (4.7±1.0-2.5±1.0) and remained low in the -DOE group (1.2±0.6-1.3±1.0) (interaction p

Original languageEnglish (US)
Pages (from-to)64-70
Number of pages7
JournalRespiratory Physiology and Neurobiology
Volume221
DOIs
StatePublished - Jan 15 2016

Keywords

  • Breathlessness
  • Cardiorespiratory fitness
  • Exercise
  • Obesity
  • Shortness of breath

ASJC Scopus subject areas

  • Physiology
  • Pulmonary and Respiratory Medicine
  • Neuroscience(all)

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