The study analyzes benefits of a new biomechanical test model to rate technical progress of elite weightlifters` in the sport excellence trainings with a special priority to the factors of influence on the execution and errors. Benefits of the model were tested by a two-stage experiment. In the first stage of the study, subject to the performance video captures and analyses were the Kazakhstan national weightlifting team members (n=13, including 8 males and 5 females) competing in the 2013 World Universiade in Kazan. In the second stage, sampled for a special study were athletes from group 1 (n=5, including 1 male and 4 females). The first stage was designed to find the key factors of influence on the chest lift element execution by analyses of the movement biomechanics, with the test data further used to develop the new technical excellence model and test it by experiment. The biomechanical test model to rate progress in elite weightlifting sport was found beneficial as verified by the sample progress in the classical jerk technique execution quality test rates and the actual competitive accomplishments in the World Championships, Asian Games and Olympic Games.
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