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The invention of a hip joint training device, experiments to explore the effect of hip joint training for students flexibility training. Using the method of literature, mathematical statistics method and experimental method, the invention of authorized patent product is studied, results showed: training plays a significant role for application of hip joint.
The shoulder joint is the most flexible joint in the human body. There are shoulder joint training devices in the fitness squares, which are divided into two kinds of single-disc and double-disc. People handle the rings to carry out shoulder training by two hands. The exercise value is not up to the purpose of shoulder joint flexibility training. The… (More)