Strength of knee flexor and extensor in football athletes after vibration training

doi:10.3969/j.issn.2095-4344.1152

Abstract

Abstract:

BACKGROUND: Vibration training, as a new emerging method for muscular strength training, has been extensively applied in various fields at abroad. Football is a kind of exercise of guiding lower extremity, so it requires high quality of low limb strength.
OBJECTIVE: To compare and analyze the effects of vibration training and traditional strength training on the strength of knee flexors and extensors of football players, and to explore the significance of vibration training on the strength training of football players.
METHODS: Twenty college football players were randomly divided into vibration and control groups (n=10 per group). The vibration group received vibration training (30 Hz, 2 mm, 8 weeks), and the control group received traditional training of lower limb strength without vibration. The peak torque, time to peak torque and total work of knee flexors and extensors were measured before and after training at 60 and 180 (°)/s angular speeds.
RESULTS AND CONCLUSION: (1) The peak torque at 60 and 180 (°)/s angular speeds in the two groups was increased significantly after training (P < 0.05). There was significant difference between two groups at 60 (°)/s angular speeds (P < 0.05), but there was no significant difference between two groups at 180 (°)/s angular speeds (P > 0.05). (2) The time to peak torque at 180 (°)/s angular speeds in the two groups was decreased significantly after training (P < 0.05), but there was no significant difference between two groups (P > 0.05). (3) The total work at 60 and 180 (°)/s angular speeds in the two groups was increased significantly after training (P < 0.05). The total work of flexors and extensors in the vibration group was significantly higher than that in the control group (P < 0.05). (4) These findings indicate that vibration training program of 8 weeks, 30 Hz frequency and 2 mm amplitude can effectively improve the maximum strength, explosive force and muscle endurance of knee flexor and extensor of college football players. Vibration training is superior to traditional strength training in terms of maximum strength and muscle endurance. In improving muscle explosive power, vibration training has no obvious advantage compared with traditional strength training.

中国组织工程研究杂志出版内容重点：组织构建；骨细胞；软骨细胞；细胞培养；成纤维细胞；血管内皮细胞；骨质疏松；组织工程

Key words: Vibration, Physical Education and Training, Knee Joint, Sports Medicine, Tissue Engineering

CLC Number:

R496

Yu Hong, Liu Yan. Strength of knee flexor and extensor in football athletes after vibration training[J]. Chinese Journal of Tissue Engineering Research, 2019, 23(15): 2327-2331.

Figures/Tables 4

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