Effect of pre-match high-carbohydrate intake on high-intensity actions during match play in high school male soccer players

Effects of a 3-day high-carbohydrate intake before a match on acceleration and deceleration performance during match play in national-level high school male soccer players - Effects of a 3-day high-carbohydrate intake before a match on acceleration and deceleration performance during match play in national-level high school male soccer players

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060389

Enrollment

Registered

2026-01-17

Start date

2026-02-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

None listed

Interventions

In the high-carbohydrate intake group (High-CHO group), participants will consume 10 g of carbohydrates per kilogram of body weight per day for three days before the match. Total energy intake will be

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1.Male high school soccer players aged 16-18 years 2.Competing continuously at a national competitive level 3.Written informed consent obtained from both the participant and a legal guardian

Exclusion criteria

Exclusion criteria: 1.Individuals with metabolic or severe gastrointestinal diseases 2.Individuals with food allergies related to grains 3.Individuals who develop severe gastrointestinal symptoms during the study period and are judged unable to continue participation

Design outcomes

Primary

Measure	Time frame
Rate of decline in high-intensity deceleration distance during the second half of the match, calculated by comparing the first and second halves and measured using a GNSS/IMU device.	—

Secondary

Measure	Time frame
High intensity acceleration indicators Heart rate indices Subjective rating of perceived exertion sRPE	—

Countries

Japan

Contacts

Public ContactTakaaki Mishima

Osaka University of Health and Sport Sciences School of Sport Sciences

t-mishima@ouhs.ac.jp072-453-7022

Outcome results