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1 The comparative research of basic and professional fitness levels between national team taolu and sanda
Eun-Hyung Cho ; Byoung-Goo Ko ; Bong-Ju Sung ; Jong-Baek Lee Vol.31, No.2, pp.382-392 https://doi.org/10.24985/kjss.2020.31.2.382
초록보기
Abstract

Purpose The purpose of this study was to find out the physical characteristics of Wushu athletes by comparing the differences on the results of physical fitness between the male athletes of the Wushu national team Taolu and the Sanda group. Methods Measurement of basic and professional fitness based on muscle function, targeting 37 men Wushu national team players (24 taolu, 13 Sanda) in the selection and evaluation contests twice in 2018 and 2019. Body composition, isometric muscle strength, flexibility and equilibrium, anaerobic power, and isokinetic muscle strength. The fitness factors were divided into two groups, Taolu and Sanda. Results First, body fat rate of the Sanda athlete group was significantly lower than that of the taolu athlete group (p<.01). Second, in the isometric muscle strength category(back muscle strength, grip strength), the Sanda athlete group had higher muscle strength than Taolu athlete group, but there was a statistically significant difference only in the left grip strength (p<.01). Third, in terms of flexibility and equilibrium, the taolu players were significantly higher in all items(p<.001). Fourth, in the anaerobic power, the taolu athlete group had higher both the peak power and the mean power, and there were a significant differences(peak power: p<.01, mean power: p<.001). Fifth, isokinetic muscle strength was significantly higher in the right knee flexion of the taolu athlete group (p<.01), and lumbar extensor muscle was significantly higher in the Sanda athlete group (p<.05). Sixth, in the isokinetic strength ratio, the knee flexion ratio of the Sanda athlete group were significantly higher on the left and right knee flexion and extensor ratios (p<.05). In addition, in the lumbar flexor and extensor ratios, the group of Sanda athlete group were significantly higher on the lumbar extensor(p<.05). Seventh, there was no significant difference between two groups in isokinetic muscle power. Conclusions The results of this study can be used as basic data to improve the efficiency of technical and physical training through the analysis of the characteristics of Taolu and Sanda. The effectiveness of this training will help to improve the performance.

2 The relationship between fitness variables and performance factor in keirin
Bong-Ju Sung ; Kwang-Kyu Lee Vol.31, No.1, pp.48-58 https://doi.org/10.24985/kjss.2020.31.1.48
초록보기
Abstract

Purpose The purpose of this study was to examine the relationship between the track records and physical abilities in elite cyclists(keirin). Methods Twenty three elite cyclists were measured height, weight, lower body circumference(thigh, calf, and ankle), basal physical abilities(grip/back muscle strength, 25m sprint, Sargent jump test, Burpee test, shuttle run test), one-repetition maximum(1RM) strength(back squat, bench press, leg curl, power clean, dead-lift, leg press), aerobic capacity(V̇O2max, METs, HRmax), and track records(200m and 500m). Stepwise multiple regression analyses were performed to investigate which physical abilities related to track records. Results A statistically significant relationship was found between 200m track records and 2 variables which were the thigh circumference and 1RM leg press(p<.05). Also, the thigh circumference and 1RM leg press were significantly related to 500m track records(p<.05). Conclusions The results showed that the thigh circumference and maximal strength were associated with the track records in elite cyclists(keirin).


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