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Area of Science:

  • Sports Science
  • Exercise Physiology
  • Soccer Performance

Background:

  • Young soccer players require optimized training for physical performance.
  • Strength-power-speed protocols are crucial for developing athletic capabilities in soccer.
  • Comparing training methodologies is essential for evidence-based practice.

Purpose of the Study:

  • To compare the effects of traditional and multidirectional training protocols on soccer players' physical performance.
  • To evaluate adaptations in strength, power, linear speed, and change-of-direction (COD) ability.
  • To identify which protocol yields superior results for specific physical attributes.

Main Methods:

  • Twenty-three under-20 soccer players participated in a 4-week training intervention.
  • Two groups were formed: traditional (TRAD) focusing on vertical power and linear sprints, and multidirectional (MULTI) including horizontal power and COD drills.
  • Physical performance was assessed pre- and post-training using jump, sprint, and COD tests.

Main Results:

  • Both TRAD and MULTI protocols significantly improved sprint velocity and specific power outputs (jump-squat, hip-thrust).
  • The TRAD group showed greater improvements in squat jump height.
  • The MULTI group demonstrated more meaningful improvements in zig-zag (COD) velocity.

Conclusions:

  • Both training protocols induce similar overall physical adaptations in young soccer players.
  • The MULTI protocol appears more effective for enhancing COD ability.
  • The TRAD protocol may be preferable for maximizing vertical jumping performance within short pre-season periods.