Hello: This instrument is called vibrator, which can effectively train core strength and shoulder strength and stability.

With proprioception, it stimulates the nervous system and related sports chains, which is especially suitable for warm-up training.

Suitable for training and rehabilitation of specific muscle groups. The greater the vibration, the greater the resistance. Hold the vibrator with both hands.

When training, you can train core stability and body control ability, and you can complete the training with one hand.

Sitting on the training ball to complete the training, standing on one leg or improving the shaking speed increases the training difficulty.