What question did this study set out to answer?

To compare changes in young soccer players' physical fitness after 8 weeks of traditional bilateral versus unilateral combined strength and plyometric training.

March 22, 2018Frontiers in PhysiologyOpen Access

Specific Changes in Young Soccer Player's Fitness After Traditional Bilateral vs. Unilateral Combined Strength and Plyometric Training

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Authors

RRRodrigo Ramírez‐CampilloUniversity of Essex JSJavier Sánchez-SánchezUniversidad Pontificia de Salamanca ÓGÓliver Gonzalo‐SkokUniversidad Loyola Andalucía

Discussion

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Implication

Randomized trial demonstrates task-specific jumping adaptations from unilateral versus bilateral training in young soccer players, indicating both modes should be combined for optimal fitness.

Key Points

To compare changes in young soccer players' physical fitness after 8 weeks of traditional bilateral versus unilateral combined strength and plyometric training.
Randomized 18 male athletes into a unilateral training group (n=9, age 17.3 ± 1.1 years) or a bilateral training group (n=9, age 17.6 ± 0.5 years).
Administered an 8-week in-season intervention integrating knee extensor and flexor strength drills alongside horizontal plyometric exercises into regular soccer practice.
Evaluated 1RM knee extension and flexion, change of direction ability, unilateral and bilateral horizontal/vertical jumping performance, and limb symmetry index before and after training.
Both training interventions induced significant baseline-to-post-test improvements (p<0.05) in knee extensor 1RM, change of direction ability, and jumping performance, without altering limb symmetry index.
The bilateral group showed greater relative gains in knee flexor 1RM (6.7%, p=0.004), knee extensor 1RM (8.1%, p=0.074), and bilateral jump metrics (2.7% [p=0.535] to 10.5% [p=0.002]).
The unilateral group attained superior gains in unilateral jump performance (4.5% [p=0.090] to 8.6% [p=0.018]) compared to the bilateral group, reflecting mode-specific functional adaptations.

Cite This Study

Ramírez‐Campillo et al. (2018) studied this question.

synapsesocial.com/papers/6a709ef5fe4101aa97e03f85 https://doi.org/10.3389/fphys.2018.00265

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Implication

Randomized trial demonstrates task-specific jumping adaptations from unilateral versus bilateral training in young soccer players, indicating both modes should be combined for optimal fitness.

Specific Changes in Young Soccer Player's Fitness After Traditional Bilateral vs. Unilateral Combined Strength and Plyometric Training

Discussion

Member takes

Implication

Key Points

Cite This Study

Specific Changes in Young Soccer Player's Fitness After Traditional Bilateral vs. Unilateral Combined Strength and Plyometric Training

Discussion

Member takes

Implication

Key Points

Cite This Study

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