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Effects of Wearing a Sauna Suit During High-Intensity Interval Exercise

The Acute Effects of HIIT While Wearing Sauna Suits on Physiological and Perceptual Responses

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600127128
Enrollment
Unknown
Registered
2026-06-25
Start date
2025-02-10
Completion date
Unknown
Last updated
2026-07-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Sauna suit first, then control condition:First trial: Perform high-intensity interval exercise (HIIE) wearing a commercially available whole-body vinyl sauna suit (CORE Heat Training Suit, Core, Swiss
the HIIE protocol was 3-min warm-up at 80W + 8×(1-min cycling at 80% peak power output [PPO] interspersed with 1-min active recovery at 25% PPO) + 3-min cool-down at 40W (sauna suit worn during the en
Control condition first, then sauna suit:First trial: Perform the same HIIE protocol under controlled environmental conditions (20?–22?, 30–36% humidity) with normal clothing only (no sauna suit). Sec

Sponsors

The Chinese University of Hong Kong
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 24 Years

Inclusion criteria

Inclusion criteria: Subjects are moderately 24 active men aged between 18-24, BMI between 18-23.

Exclusion criteria

Exclusion criteria: Exclusion from participation included current or recent (< 6 months) smokers, and those with any past or present history of cardiovascular diseases and/or heat-related contraindications.

Design outcomes

Primary

MeasureTime frame
Skin temperature;Core temperature ;Core-to-skin thermal gradient;Sweat loss;Heart rate;Blood lactate level;Energy expenditure;Urine specific gravity;Body mass;Peak power output;Maximal oxygen uptake;Rating of perceived exertion;Thermal sensation;Thermal comfort;

Countries

China

Contacts

Public ContactWei Likun

The Chinese University of Hong Kong

weilikun_scu@163.com+86 180 8190 7006

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jul 23, 2026