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.
Carbohydrate intake during exercise could decrease the subjective perceived exertion and promote recovery during high-intensity and intermittent exercises such as crosstraining. Nevertheless, despite extensive research on carbohydrate ingestion during exercise across different sports disciplines, its effects have not been investigated in crosstraining sessions. 23 male trained crosstraining athletes will ingest carbohydrates (60g of maltodextrin + fructose, 2:1 ratio) or placebo during a one-and-a-half-hour crosstraining session. The session will consist of a warm-up, a weightlifting part, a strength part, a WOD, and an AMRAP. The rating of perceived exertion (RPE) will be assessed using the validated Borg scale at the beginning of the session, after each part of the training, and at the end of the session. DOMS will be assessed using a visual analog scale at 24 and 48 hours after the crosstraining session.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
QUADRUPLE
Enrollment
25
60g of maltodextrin + fructose, 2:1 ratio
Placebo
University of Granada
Granada, Spain
Exercise-induced muscle damage and recovery measured through the countermovement jump
Countermovement jump height
Time frame: 1 hour 30 minutes
Exercise-induced muscle damage and recovery through the DOMS scale
Delayed-onset muscle soreness (DOMS) scale (0-10 arbitrary units)
Time frame: 1 hour 30 minutes
Capillar lactate levels
Capillar lactate levels
Time frame: 1 hour 30 minutes
Capilar glucose levels
Capilar glucose levels
Time frame: 1 hour 30 minutes
Subjective fatigue throughe the RPE scale
Rate of perceived exertion scale
Time frame: 1 hour 30 minutes
Feeling sensations
Feeling scale
Time frame: 1 hour 30 minutes
Performance: Weight used in the crosstraining session
Weight used in the crosstraining session
Time frame: 1 hour 30 minutes
Performance: Repetitions performed in the crosstraining session
Repetitions performed in the crosstraining session
Time frame: 1 hour 30 minutes
Performance: Rounds performed in the crosstraining session
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Rounds performed in the crosstraining session
Time frame: 1 hour 30 minutes