摘要：This research aims to analyze the biomechanics components i.e. swimming velocity (SV), stroke frequency (SF), stroke rate (SR), and distance per stroke (DPS) at 100 meters breaststroke 12-13 years old male swimmer. This is a quantitative research which was conducted by comparative methods. There were 70 athletes which were divided in to four quartiles based on the official time record in Jatim Open 2019 swimming competition. The videos were recorded by using Canon 80D camera and Canon 18-135 STM lens with HD quality and 50 fps. Eight videos were analyzed by using Kinovea 0.8.15 in eight observation zones. The data were tested by normality test (Kolmogorov-smirnov) and comparative test (one way anova) in SPSS 20.0 computer program. The results, SV, SF, SR dan DPS have a normal distribution (sig.>0.05). Furthermore, there is a significant different among quartile group in SV, SF, SR dan DPS (sig.<0.05). In conclusion, quartile 1 group has better time compare than quartile 4 group , because quartile 1 group performs more effective SF and SR with longger DPS than other groups.
其他摘要：Penelitian ini bertujuan untuk menganalisis komponen biomekanika swimming velocity (SV), stroke frequency (SF), stroke rate (SR), dan distance per stroke (DPS) pada 100 meter gaya dada putra kelompok umur 3. Penelitian ini merupakan penelitian quantitativ
关键词：biomechanics; swimming velocity; stroke frequency; stroke rate; distance per stroke
其他关键词：biomekanika; swimming velocity; stroke frequency; stroke rate; distance per stroke
