Postexercise Hot-Water Immersion on Exercise Performance in Hypoxia

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-50
SponsorNipissing University

About this trial

The purpose of this study is to determine the effect of 5 days post-exercise hot water immersion on exercise performance at simulated altitude.

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

Physically active (minimum of 90 minutes of moderate-intensity exercise per week)

Disqualifiers

Cardiovascular disease

resident of >1500 m above sea-level in the past year;

history of fainting

Trial design

Design model

Parallel

Treatments tested in this trial

  • Post-Exercise Hot Water Immersion

    Other intervention

    Participants will cycle for 60 minutes at 50% of maximal oxygen uptake (VO2 max) followed by 30 minutes post-exercise hot water immersion (40oC) for 5 consecutive days.

  • Control Group

    Other intervention

    Participants will cycle for 60 minutes at 50% maximal oxygen uptake (VO2 max) for 5 consecutive days. There is no water immersion following the exercise.

Treatment groups

20 Participants
are divided into 2 treatment groups
Group A: Post-Exercise Hot Water ImmersionExperimental treatment 1 intervention
Group B: Control groupActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

Time-Trial Performance in hypoxia conditions

Results of a 16 km time-trial test conducted at an fraction of inspired oxygen (FiO2) of 0.14

Time frame
30 minutes

Secondary outcomes

1

Pulse oxygen saturation during exercise

Capillary oxygen saturation measured on the earlobe throughout the time-trial tests using pulse oximetry.

Time frame
30 minutes
2

Skin temperature during exercise

Skin temperature measured throughout the time trial-tests and exercise training intervention using temperature probes attached to the calf, thigh, chest and arm, from which weighted averages are calculated.

Time frame
90 minutes
3

Core temperature during exercise

Core body temperature measured throughout the time-trial tests and exercise training interventions using a rectal temperature probe.

Time frame
90 minutes
4

Heart Rate during exercise

Heart rate will be measured throughout the time trial tests and exercise training interventions using a wireless (Polar) heart rate chest strap.

Time frame
90 minutes

Other outcomes

Sponsors and contacts

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