Sports performance ACE 1 ACTN3 1 Article 1 Badminton 1 Biomechanics 1 Chinese 1 Female soccer 1 Forehand shot 1 Polymorphism 1 Racquet sport 1 Technique analysis 1 VO2max 1 adult 1 alpha actinin 3 1 athletic performance 1 controlled study 1 dipeptidyl carboxypeptidase 1 elite athlete 1 female 1 gene amplification 1 gene frequency 1 genetic association 1 genetic polymorphism 1 heredity 1 human 1 human experiment 1 maximal oxygen uptake 1 normal human 1 polymerase chain reaction 1