Effects of Acute Carbohydrate Intake Intra-training in Crosstraining

NCT06440343 | Completed

• 1 other identifier: CROSSCARB
• Study Type: interventional
• Target: 25
• Locations: 1 country
• Sites: 1

Brief Summary

This study aims to investigate the effect of acute carbohydrate intake during a crosstraining session on exercise-induced muscle damage and the recovery of crosstraining athletes.

Conditions

Recovery

Keywords

Sports drink; performance; concurrent exercise; nutrition; recovery

Outcome Measures

Primary Outcomes (2)

• Exercise-induced muscle damage and recovery measured through the countermovement jump

  Countermovement jump height

  1 hour 30 minutes

• Exercise-induced muscle damage and recovery through the DOMS scale

  Delayed-onset muscle soreness (DOMS) scale (0-10 arbitrary units)

  1 hour 30 minutes

Secondary Outcomes (7)

• Capillar lactate levels

  1 hour 30 minutes

• Capilar glucose levels

  1 hour 30 minutes

• Subjective fatigue throughe the RPE scale

  1 hour 30 minutes

• Feeling sensations

  1 hour 30 minutes

• Performance: Weight used in the crosstraining session

  1 hour 30 minutes

Study Arms (2)

Carbohydrates

EXPERIMENTAL

60g of maltodextrin + fructose, 2:1 ratio

Dietary Supplement: Carbohydrates

Placebo

PLACEBO COMPARATOR

Preparation of colorants, sweeteners, aromas and acidulants

Dietary Supplement: Placebo

Interventions

Carbohydrates DIETARY_SUPPLEMENT

60g of maltodextrin + fructose, 2:1 ratio

Carbohydrates

Placebo DIETARY_SUPPLEMENT

Placebo

Placebo

Eligibility Criteria

• Age: 18 Years - 35 Years
• Sex: male
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• Age: 18-35 years.
• Body mass index: 18.5-30 kg/m2.
• Ability to understand the instructions, objectives, and study protocol.
• Minimum of 3 years of experience in crosstraining, with at least 6 hours of weekly training over the past 3 months.
• Resident on the island of Tenerife.

You may not qualify if:

• History of a significant adverse cardiovascular event, renal insufficiency, cirrhosis, eating disorder, weight control surgical intervention, or type 2 diabetes mellitus.
• Any chronic condition in which the intake of nutritional supplements is not advisable.
• Any condition that, in the investigator's judgment, would impair the ability to participate in the study or represent a personal risk to the participant.
• Use of medications that may affect the study results.
• Unstable body weight for 3 months prior to the start of the study (\> 4 kg loss or gain in - weight).
• Active tobacco abuse or illicit drug use, or history of treatment for alcohol abuse.
• On a special diet or prescribed for other reasons (e.g., celiac disease).

Sponsors & Collaborators

• Universidad de Granada: lead

Study Sites (1)

University of Granada

Granada, Spain

Location

Related Publications (1)

• Trivino AR, Diaz-Romero C, Martin-Olmedo JJ, Jimenez-Martinez P, Alix-Fages C, Cwiklinska M, Perez D, Jurado-Fasoli L. Acute effects of intra-training carbohydrate ingestion in CrossFit(R) trained adults: a randomized, triple-blind, placebo-controlled crossover trial. Eur J Appl Physiol. 2025 May;125(5):1337-1347. doi: 10.1007/s00421-024-05689-8. Epub 2024 Dec 13.

  PMID: 39671024 DERIVED

MeSH Terms

Interventions

Carbohydrates

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: QUADRUPLE
• Who Masked: PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
• Purpose: OTHER
• Intervention Model: CROSSOVER
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Principal Investigator

Study Record Dates

• First Submitted: May 21, 2024
• First Posted: June 3, 2024
• Study Start: May 1, 2024
• Primary Completion: June 1, 2024
• Study Completion: September 1, 2024
• Last Updated: October 3, 2024

Record last verified: 2024-10

Locations

ES (1)