Özet:

The purpose of this study was to investigate the relationship between physical properties, isokinetic knee strength and swimming performance in young amateur athletes. Seventeen 18- 24 year old amateur swimmers (n=13 males, mean age=20.0 ± 2.1 years; n=4 females, mean age=21.5 ± 1.7 years) volunteered to participate in this study. All athletes were member of the same team who were engaged to the swim training at least for 4 years. Following the 5-min warm up session, each participant performed three submaximal trials for familiarization and warm-up purposes, and then five maximal trials at three angular velocities: 60, 120, and 180ᵒ/s. A 30-s time interval was provided between familiarization and test session, whereas a 2-min rest period was given between each test velocity. A 25-m swimming performance was recorded in semi-olympic swimming pool, under race conditions. The results demonstrated that there was a statistically significant inverse relationship between height, body mass, BMI, and swimming performance (p<0.05 and 0.01), also, there was a significant inverse relationship between isokinetic knee strength and swimming performance (p<0.01). However, there is no significant differences between H/Q ratio and 25-m swimming performance (p>0.05). In conclusion, the lower limb muscle strength is as important as upper limb muscle strength and a combination of lower limb muscle strength and anthropometric variables are important for sprint swimming performance.

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