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May 1, 2020The Journal of Sports Medicine and Physical Fitness

Significant differences in sprint performances were found between sets (P<0.01), and while blood lactate after warm-up was 36% higher for 90% vs 60% HRmax, the difference was only 7% after the RSA test.

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Why the study?

The study was designed to investigate the acute effects of two different initial heart rate intensities on repeated sprint ability test performances in young soccer players.

Does a warm-up protocol reaching 90% HRmax compared to 60% HRmax affect repeated sprint ability performance and blood lactate in young soccer players?

Population

15 male soccer players (age: 17.9±1.5 years)

Comparison

Warm-up reaching 60% vs 90% HRmax

Design

Randomized crossover trial

Authors

BRBruno RuscelloMEMario EspósitoCFClaudia Fusco

Discussion

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Member takes

Overview

Higher-intensity warm-up may better simulate match lactate profiles in youth soccer; leaves open RSA optimization effects.

Structured PICO

Does a warm-up protocol reaching 90% HRmax compared to 60% HRmax affect repeated sprint ability performance and blood lactate in young soccer players?

P
Population
15 male soccer players (age: 17.9±1.5 years)
I
Intervention
Warm-up protocol reaching 90% HRmax
C
Comparator
Warm-up protocol reaching 60% HRmax
O
Outcome
Repeated sprint ability (RSA) performance (Fatigue Index FI%) and blood lactate concentrations (BLa-)surrogate

Testing repeated sprint ability with an initial 90% HRmax warm-up more realistically reflects the metabolic background of a real soccer match compared to a 60% HRmax warm-up.

Cite This Study

Ruscello et al. (2020) studied this question.

synapsesocial.com/papers/6a262acd6cf15a0e07fa2ea5https://doi.org/10.23736/s0022-4707.19.10311-8
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