Pasin Federico, Caroli Barbara, Spigoni Valentina, Dei Cas Alessandra, Volpi Riccardo, Galli Carlo, Passeri Giovanni
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Acta Biomed. 2017 Aug 23;88(2):172-177. doi: 10.23750/abm.v88i2.5221.
Physical performance is the result of a complex combination of several factors such as genetic and anthropometric aspects, nutrition and hormonal status. In the past few years many studies have considered the impact of vitamin D on muscular strength and athletic performance.The aim of the present study was to assess the anthropometric measures impacting on physical performance in a group of professional rugby athletes. As a secondary aim we investigated a possible relationship between baseline vitamin D status and athletic performance status in these subjects.
All rugby players completed a test-retest reliability study on performance measures, as 70kg jump squat and body weight (BW) jump squat to assess musculoskeletal performance. Additionally at the time point we collected a blood sample of every athletes for the assessment of serum vitamin D.
We found that lean mass was an important independent predictor of performance score in 70kg jump squat (p=0.007, R2=0.74) and BW jump squat (p=0.010, R2=0.66) in these well trained athletes. No statistically significant association was present between performance score and serum vitamin D in this specific setting.
We demonstrate a positive interaction between lower limb lean mass and performance score, but we have not been able to identify any statistically significant association between worsening in performance measures and decrease of serum 25 OH Vitamin D.
身体表现是多种因素复杂组合的结果，如遗传和人体测量学方面、营养和激素状态。在过去几年中，许多研究探讨了维生素D对肌肉力量和运动表现的影响。本研究的目的是评估一组职业橄榄球运动员中影响身体表现的人体测量指标。作为次要目的，我们研究了这些受试者的基线维生素D状态与运动表现状态之间的可能关系。
所有橄榄球运动员均完成了关于表现指标的重测信度研究，如70公斤跳蹲和体重跳蹲，以评估肌肉骨骼表现。此外，在该时间点，我们采集了每位运动员的血样以评估血清维生素D。
我们发现，在这些训练有素的运动员中，瘦体重是70公斤跳蹲（p = 0.007，R2 = 0.74）和体重跳蹲（p = 0.010，R2 = 0.66）表现得分的重要独立预测因素。在这一特定情况下，表现得分与血清维生素D之间不存在统计学上的显著关联。
我们证明了下肢瘦体重与表现得分之间存在正相关，但我们未能确定表现指标变差与血清25-羟基维生素D降低之间存在任何统计学上的显著关联。
