Isokinetic Performance of Knee Extensors and Flexors in Male Weightlifters (original) (raw)

2016, Journal of physical education and sport

IntroductionWeightlifting is a sport in which the athlete attempts to lift a barbell loaded with weight plates (Chiu & Schilling, 2005; Larrat et al., 2007; Janz et al., 2008). This field of sport is widespread with its first international federation founded in 1905, recognized by the International Olympic Committee (IOC) in 1914 and became a permanent field of sport in the Olympic Games in Antwerp in 1920 (Stone et al., 2006). The main characteristic of the weightlifting is lifting the largest load possible in the shortest amount of time (Chiu & Schilling, 2005; Da Fonseca et al., 2007). Thus, athletes exhibit high rates of muscle activation, high peak power (Storey & Smith, 2012) and many musculoskeletal adaptations resulted by specific training (Chiu & Schilling, 2005). The startup movements (snatch) and the pitch (clean & jerk) are the movements that comprise the weightlifting practice (Janz et al., 2008; Storey & Smith, 2012). These movements are performed in phases that range ...