Effects of Lower Limb Endurance Training on Maximal Oxygen Uptake (VO2 max) in Chronic Obstructive Pulmonary Disease
Abstract
Methods: An experimental study was conducted on 20 COPD patients in group C and D in June–July 2017 at USU Hospital. Patients were prescribed lower-limb exercise by stationary cycling with individualized dose, twice a week for 4 weeks, ranging from 5-20 minutes/session. VO2 max measurement was calculated pre-and post-intervention using Nury’s Formula specifically designed for Indonesian (r=0,68; P<0,005), which converts the distance of 6-minute walk test.
Results: There was significant increase of VO2 max value (P<0,001) of all COPD subjects from 25,8±6,5 (baseline) to 28,3±6,9 mL/kg/menit. The increase in group C patients was slightly higher than group D although statistically not significant (3,36vs2,03 mL/kg/menit; P=0,36). The VO2 max increase was observed in all patients regardless their severity of obstruction (P=0,44). There was no exacerbation found during rehabilitation program.
Conclusion: Four weeks of lower-limb endurance training effectively increased VO2 max of COPD patients. (J Respir Indo. 2017; 37(4): 283-7)
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DOI: https://doi.org/10.36497/jri.v37i4.82
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