Recovery Kinetics Following Change of Direction (COD) Training in Soccer: Implications for Different COD Angles
Abstract
This study aims at investigating the recovery kinetics of skeletal muscle damage, neuromuscular fatigue and performance following a single change of direction (COD) training session in competitive soccer players. The impact of COD degrees will be also examined by comparing a 45o vs. 90o COD training session. Ten male soccer players will perform a COD45 \[A single training session including 2x(10x \~27.6m) sprints with two 45o COD in each sprint\], a COD90 \[A single training session including 2x(10x \~21.2m) sprints with two 90o COD in each sprint\] and a Control trial (No intervention included, only daily measurements) in randomized, repeated measures, crossover design. Assessments related to skeletal muscle damage, neuromuscular fatigue and performance will be performed prior to training session and daily for three consecutive days post-training, in each trial.
Conditions: Skeletal Muscle Damage.
Primary outcome: Change in creatine kinase activity; Change in white blood cell count; Change in delayed onset of muscle soreness; Change in isometric peak torque; Change in fatigue index of maximal voluntary isometric contraction during 10 seconds; Change in isokinetic peak torque of knee extensors; Change in isokinetic peak torque of knee flexors; Change in countermovement jump height; Change in ground reaction force during countermovement jump; Change in peak power during countermovement jump; Change in mean power during countermovement jump; Change in vertical stiffness during…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 10 participants or records.
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