Whilefatisanutrientthateveryoneneeds,havingtoomuchofitbeforeexercisecanslowdigestionandthereleaseofnutrientstothebloodandmusclecellsasanenergysource.Thiscanmeanfeelingsluggishbeforeyourrace,andpotentiallygettingstomachcrampsorpainsthatimpairperformance.
虽然脂肪是每个人都需要的营养成分，但训练前摄入过多脂肪会减缓消化以及向血液和肌肉细胞释放作为能量来源的营养物质的过程。这可能意味着赛前感觉迟钝，并有可能造成胃痉挛或胃痛影响成绩。
Swimmerswillusesomefatduringraces,especiallyenduranceevents.However,carbohydratesarethebestsourceofenergytohaveinthemusclesforhigh-intensityactivity.
游泳运动员在比赛中会需要一些脂肪，尤其是耐力项目。然而，碳水化合物是高强度运动时肌肉所需要的最好的能量来源。
Manyofthecurrentconcessionstandoptionsaren’tonlyhighinfat,butrichinthetypeoffatsthatathletesshouldconsumelessof.Forexample,animalfatsandfatsusedforfryingaren’tgoingtosupportenergylevels,jointhealth,andmusclerecoveryasmuchasfatsthat