Ligament stretching device for dance training

The ligament stretching device for dance training comprises a supporting shell and an adjusting structure, two symmetrically-distributed supporting legs are fixedly connected to the bottom of the supporting shell, the adjusting structure comprises a driving motor, the driving motor is fixedly connected to the bottom of an inner cavity of the supporting shell, the output end of the driving motor is fixedly connected with a two-way threaded column, and the two-way threaded column is fixedly connected with the supporting shell. The surface of the bidirectional threaded column is in threaded connection with a sliding plate, the sliding plate is slidably connected to the surface of a limiting column, the limiting column is fixedly connected to the side wall of an inner cavity of the supporting shell, the top of the sliding plate is fixedly connected with a mounting column, and the top end of the mounting column is fixedly connected with a mounting plate. The sliding plate can be driven to move through structures s