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This sandbag is equipped with pressure sensors on its surface. It can change its color through sensing the intensity of the boxing practitioner’s punches. It provides instant feedback to boxing practitioner about punching intensity and energy consumption. So the boxing practitioner can make or adjust the training plan according to the feedback.
In addition, this sandbag can be set in different modes so that boxing practitioner can practice different punch actions, such as uppercut, the straight left and so on. When the boxing practitioner finishes his action, the sandbag will give feedback whether the action is correct.
East China University of Science and Technology
Haoyu Chen, Yuyang Jin Jiadong Liu, Bofei Zhou