The Validity of External: Internal Training Load Ratios in Rested and Fatigued Soccer Players

Purpose: To examine the relationship of external:internal training load ratios with fitness and assess the impact of fatigue. Method: Ten soccer players performed a lactate threshold test followed by two soccer simulations (BEAST(90mod)) 48 h apart. Recovery (TQR) and muscle soreness (DOMS) was meas...

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Bibliographic Details
Authors: Akubat, Ibrahim, Barrett, Steve, Lapuente Sagarra, Manuel, Abt, Grant
Format: article
Publication Date:2018
Country:España
Institution:Universidad Europea (UEM)
Repository:ABACUS. Repositorio de Producción Científica
Language:English
OAI Identifier:oai:abacus.universidadeuropea.com:11268/8609
Online Access:http://hdl.handle.net/11268/8609
Access Level:Open access
Keyword:Futbolistas
Fisiología del ejercicio
Deporte
Efectos fisiológicos
Description
Summary:Purpose: To examine the relationship of external:internal training load ratios with fitness and assess the impact of fatigue. Method: Ten soccer players performed a lactate threshold test followed by two soccer simulations (BEAST(90mod)) 48 h apart. Recovery (TQR) and muscle soreness (DOMS) was measured before each trial. Internal Training load (TL) (iTRIMP) and external load total distance (TD), high intensity distance (HID), PlayerLoad (PL) mean metabolic power (MMP) high metabolic power distance (HP) were collected for each trial and external:internal ratios produced. The relationships between ratios and velocity at lactate threshold (vLT) and velocity at Onset of Blood Lactate Accumulation (vOBLA) were examined in both trials along with changes in ratios. Results: Total Quality of Recovery and DOMS showed large changes. There were trivial to large decreases in TL from trial 1 to 2. Moderate increases in ratios for TD:iTRIMP, PL:iTRIMP and MMP:iTRIMP were seen but only small/trivial for HP:iTRIMP and HID:iTRIMP. In rested conditions all ratios show large relationships with vLT and vOBLA. However vLT vs. HID:iTRIMP; PL:iTRIMP; HP:iTRIMP and vOBLA vs. TD:iTRIMP; PL:iTRIMP; MMP:iTRIMP became weaker under fatigue. Conclusions: Acute changes in the ratios have implications forthe use of ratios as fitness measures but also as indicators of fatigue.

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