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Heart rate recovery improves after exercise in water when compared with on land
Author(s) -
Boussuges Alain,
Rossi Pascal,
Poirette Laurent,
Gavarry Olivier
Publication year - 2018
Publication title -
clinical physiology and functional imaging
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.608
H-Index - 67
eISSN - 1475-097X
pISSN - 1475-0961
DOI - 10.1111/cpf.12464
Subject(s) - heart rate , medicine , cycling , energy expenditure , cardiology , intensity (physics) , exercise intensity , physical therapy , blood pressure , physics , archaeology , quantum mechanics , history
Summary Background Water immersion has demonstrated its effectiveness in the recovery process after exercise. This study presents for the first time the impact of water immersion on heart rate recovery after low‐intensity cycle exercise. Methods Sixteen male volunteers were involved in the study. The experiment consisted of two cycling exercises: 1 h in ambient air and 1 h in water (temperature: 32 ± 0·2°C). The exercise intensity was individually prescribed to elicit around 35%–40% of VO 2 peak for both conditions. Heart rate recovery was analysed according to recognized methods, such as the differences between heart rate at exercise completion and within the 2 min recovery period. Results Although the two exercises were performed both at same energy expenditure and heart rate, the indexes used to assess the fast and slow decay of the heart rate recovery were significantly shortened after exercise in water. Conclusion The results of the present study suggest that cycling in thermoneutral water decreases the cardiac work after exercise when compared with cycling on land.