Leg compressions improve ventilatory efficiency while reducing peak and post exercise blood lactate, but does not improve perceived exertion, exercise economy or aerobic exercise capacity in endurance-trained runners

Eric Rivas, John D. Smith, Nestor W. Sherman

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Purpose The objective of this study was to determine if leg compressions would alter cardiorespiratory and perceived exertion measures during rest, submaximal and maximal exercise in endurance-trained runners. Method Thirteen young, endurance trained runners (10 males, 20.9 ± 3y, 58.9 ± 5.7 ml kg min−1) completed a randomized design, leg compressions and non-compression control condition. The incremental graded exercise test consisted of baseline rest and submaximal intensities at 23%, 70%, 75%, 85% and then a progressive increase to 100% VO2max. Running economy (RE), rating of perceived exertion (RPE), breathing rate (BR), heart rate (HR), ventilation (VE), blood lactate, VO2max and ventilatory efficiency (VE/VO2) were the primary outcome variables. Results Relative to the control condition, VO2 at rest, during submaximal and at max were not different. Additionally, RE, RPE, BR, and HR were similar under both conditions. Leg compressions reduced lactate at VO2max by 11% (P < 0.05) and at 10 min post-exercise recovery by 18% (P < 0.01). Additionally, peak VE was significantly reduced in the compression condition by 8% (P < 0.0001) relative to the control condition. Ventilatory efficiency was improved in compressions compared to control condition at 85 and 100% VO2max (condition × time interaction, P < 0.0001). Conclusion These data suggest that leg compressions do not alter RE, RPE, BR, HR, or VO2, during exercise. However, compressions may be beneficial for submaximal and maximal ventilatory efficiency while improving lactate clearance at VO2max and during recovery in trained runners.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalRespiratory Physiology and Neurobiology
Volume237
DOIs
StatePublished - Mar 1 2017

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Lactic Acid
Leg
Exercise
Ventilation
Respiration
Heart Rate
Exercise Test

Keywords

  • Aerobic capacity
  • Compression socks
  • Exercise performance
  • Running economy

ASJC Scopus subject areas

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

Cite this

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title = "Leg compressions improve ventilatory efficiency while reducing peak and post exercise blood lactate, but does not improve perceived exertion, exercise economy or aerobic exercise capacity in endurance-trained runners",
abstract = "Purpose The objective of this study was to determine if leg compressions would alter cardiorespiratory and perceived exertion measures during rest, submaximal and maximal exercise in endurance-trained runners. Method Thirteen young, endurance trained runners (10 males, 20.9 ± 3y, 58.9 ± 5.7 ml kg min−1) completed a randomized design, leg compressions and non-compression control condition. The incremental graded exercise test consisted of baseline rest and submaximal intensities at 23{\%}, 70{\%}, 75{\%}, 85{\%} and then a progressive increase to 100{\%} VO2max. Running economy (RE), rating of perceived exertion (RPE), breathing rate (BR), heart rate (HR), ventilation (VE), blood lactate, VO2max and ventilatory efficiency (VE/VO2) were the primary outcome variables. Results Relative to the control condition, VO2 at rest, during submaximal and at max were not different. Additionally, RE, RPE, BR, and HR were similar under both conditions. Leg compressions reduced lactate at VO2max by 11{\%} (P < 0.05) and at 10 min post-exercise recovery by 18{\%} (P < 0.01). Additionally, peak VE was significantly reduced in the compression condition by 8{\%} (P < 0.0001) relative to the control condition. Ventilatory efficiency was improved in compressions compared to control condition at 85 and 100{\%} VO2max (condition × time interaction, P < 0.0001). Conclusion These data suggest that leg compressions do not alter RE, RPE, BR, HR, or VO2, during exercise. However, compressions may be beneficial for submaximal and maximal ventilatory efficiency while improving lactate clearance at VO2max and during recovery in trained runners.",
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T1 - Leg compressions improve ventilatory efficiency while reducing peak and post exercise blood lactate, but does not improve perceived exertion, exercise economy or aerobic exercise capacity in endurance-trained runners

AU - Rivas, Eric

AU - Smith, John D.

AU - Sherman, Nestor W.

PY - 2017/3/1

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N2 - Purpose The objective of this study was to determine if leg compressions would alter cardiorespiratory and perceived exertion measures during rest, submaximal and maximal exercise in endurance-trained runners. Method Thirteen young, endurance trained runners (10 males, 20.9 ± 3y, 58.9 ± 5.7 ml kg min−1) completed a randomized design, leg compressions and non-compression control condition. The incremental graded exercise test consisted of baseline rest and submaximal intensities at 23%, 70%, 75%, 85% and then a progressive increase to 100% VO2max. Running economy (RE), rating of perceived exertion (RPE), breathing rate (BR), heart rate (HR), ventilation (VE), blood lactate, VO2max and ventilatory efficiency (VE/VO2) were the primary outcome variables. Results Relative to the control condition, VO2 at rest, during submaximal and at max were not different. Additionally, RE, RPE, BR, and HR were similar under both conditions. Leg compressions reduced lactate at VO2max by 11% (P < 0.05) and at 10 min post-exercise recovery by 18% (P < 0.01). Additionally, peak VE was significantly reduced in the compression condition by 8% (P < 0.0001) relative to the control condition. Ventilatory efficiency was improved in compressions compared to control condition at 85 and 100% VO2max (condition × time interaction, P < 0.0001). Conclusion These data suggest that leg compressions do not alter RE, RPE, BR, HR, or VO2, during exercise. However, compressions may be beneficial for submaximal and maximal ventilatory efficiency while improving lactate clearance at VO2max and during recovery in trained runners.

AB - Purpose The objective of this study was to determine if leg compressions would alter cardiorespiratory and perceived exertion measures during rest, submaximal and maximal exercise in endurance-trained runners. Method Thirteen young, endurance trained runners (10 males, 20.9 ± 3y, 58.9 ± 5.7 ml kg min−1) completed a randomized design, leg compressions and non-compression control condition. The incremental graded exercise test consisted of baseline rest and submaximal intensities at 23%, 70%, 75%, 85% and then a progressive increase to 100% VO2max. Running economy (RE), rating of perceived exertion (RPE), breathing rate (BR), heart rate (HR), ventilation (VE), blood lactate, VO2max and ventilatory efficiency (VE/VO2) were the primary outcome variables. Results Relative to the control condition, VO2 at rest, during submaximal and at max were not different. Additionally, RE, RPE, BR, and HR were similar under both conditions. Leg compressions reduced lactate at VO2max by 11% (P < 0.05) and at 10 min post-exercise recovery by 18% (P < 0.01). Additionally, peak VE was significantly reduced in the compression condition by 8% (P < 0.0001) relative to the control condition. Ventilatory efficiency was improved in compressions compared to control condition at 85 and 100% VO2max (condition × time interaction, P < 0.0001). Conclusion These data suggest that leg compressions do not alter RE, RPE, BR, HR, or VO2, during exercise. However, compressions may be beneficial for submaximal and maximal ventilatory efficiency while improving lactate clearance at VO2max and during recovery in trained runners.

KW - Aerobic capacity

KW - Compression socks

KW - Exercise performance

KW - Running economy

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