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Effect of a 4-week extreme heat (100±2°C) sauna baths program in combination with resistance training on lower limb strength and body composition

Effect of a 4-week extreme heat (100±2°C) sauna baths program in combination with resistance training on lower limb strength and body composition

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN48038929
Enrollment
29
Registered
2025-09-22
Start date
2021-09-15
Completion date
Unknown
Last updated
2025-10-06

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

Conditions

No diseases Other

Interventions

The study was conducted over 13 weeks. The first week involved a familiarization phase, during which all participants visited the facilities where the research would take place. In the laboratory, the

Sponsors

Universidad de Extremadura
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1. Male participants aged between 18 and 25 years 2. No diseases or contraindications for resistance training 3. No pharmacological and/or nutritional treatment in the 12 months before the study 4. No engagement in any strength or resistance training program in the 12 months before the study 5. No consumption of coffee, tea, or caffeine during assessments and training 6. No intake of sports nutritional supplements or dietary changes during the study

Exclusion criteria

Exclusion criteria: 1. Suffering from a musculoskeletal injury at the beginning or during the research phase 2. Consuming any doping substances or anabolic supplements 3. Initiating any pharmacological or nutritional treatment during the study 4. Changing the type of diet or dietary regimen during the study 5. Not attending any of the training or acclimatization sessions 6. Experienced experimental dropout

Design outcomes

Primary

MeasureTime frame
Muscle strength measured using the 1RM test in squat and leg press exercises, and isometric strength measured using an isokinetic dynamometer, at baseline and after 8 and 13 weeks

Secondary

MeasureTime frame
Body composition measured using bioelectrical impedance and anthropometric methods at baseline and after 8 and 13 weeks

Countries

Spain

Contacts

Public ContactIgnacio Bartolomé
ibartolomesa@upsa.es+34 654368503

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026