Profile of Brazilian Under-19 Volleyball Team Athletes: Anthropometry, Jump Performance, Stiffness and Pre-Stretch Augmentation Percentage.
Guilherme Berriel, Ananda Silveira Cardoso, Maria Eduarda Cavagni and 2 others
PMID 40756790WHAT IT FOUND
Brazilian under-19 male volleyball athletes averaged 195.75 cm tall, 87.59 kg, 41.99 cm squat jump height, 39.9 cm countermovement jump height, and 5.22% pre-stretch augmentation.
No treatment was tested.
Key findings
01The study assessed 29 male athletes from the Brazilian under-19 volleyball team.
02Mean anthropometric values were height 195.75 cm and body mass 87.59 kg.
03Mean performance values were squat jump 41.99 cm, countermovement jump 39.9 cm, stiffness 0.43 N/m/kg, and pre-stretch augmentation percentage 5.22%.
STILL TO COME
How it was doneWhat they found
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What it does not show
The cross-sectional design prevents causal inferences about training effects. Landing technique was not measured, so it could have influenced tendon loading and other results. Maturational status may have confounded results, because biological age was not separated from chronological age. The sample was one Brazilian under-19 male team, so the values may not apply to female athletes, other ages, other sports, or less trained players.
Declared interests
The authors declared no conflicts of interest relevant to the article.
The easy way to misread this
Do not use these values as evidence that a training programme improves jump height or stiffness. The study measured one team once and did not test an intervention or control group.