The Effect of Body Pre-Cooling on Heat Stress

The effect of short term pre-cooling by cold water immersion and cold shower on dehydration, body temperature, plasma lactate, and electrolytes in young male soccer players during 45 minutes of treadmill running in warm environment.

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT2015121325503N1

Enrollment

Registered

2016-01-23

Start date

2014-05-01

Completion date

Unknown

Last updated

2018-02-22

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

Conditions

Heat stress.

Interventions

Intervention 1: Control group:conducted 45 minutes of treadmill running test after a 10 minutes of warm (10 minutes treadmill run[7km/h])(tem=32-34 °C, humidity=50%) . Intervention 2: Intervention(co

Control group:conducted 45 minutes of treadmill running test after a 10 minutes of warm (10 minutes treadmill run[7km/h])(tem=32-34 °C, humidity=50%) .

Intervention(cold water immersion group): conducted 45 minutes of tread mill running test after 10 min of warm up+10 min of cold water immersion. Cold water immersion: A small pool filled with water

intervention(cold shower group): conducted 45 minutes tread mill running test after 10 min of warm up+2 min of cold shower. The subjects stood under showers for 2 minutes. Water temperature was gr

Eligibility

Sex/Gender

Male

Age

15 Years to 18 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria were: Young male soccer players; age between 15-18 years; regular engagement in competitive soccer training in the past 3 years. Exclusion criteria was: Subjects with any musculoskeletal injuries or inflammatory diseases.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Plasma volume. Timepoint: pre, mid and post test. Method of measurement: Dill and Costill method.;Body themperature. Timepoint: pre, mid and post test. Method of measurement: Thermometer.	—

Secondary

Measure	Time frame
Plasma lactate. Timepoint: pre, mid and post test. Method of measurement: Kobas Auto-analyzer and kits manufactured by Randox Company of England.;Plasma Na and K. Timepoint: pre, mid and post test. Method of measurement: Electrolyte Analyzer.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAhmad Azad

University of Zanjan

azad@znu.ac.ir+98 24 3344 2484

Outcome results

None listed

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