Promoted exercises: Hand grasp and release. This exercise can be performed with one or two hands.

Description of the activity: Bubbles of different sizes emerge from a lake. The user must intercept these bubbles with her open hands and close them to burst the bubbles. The smaller the bubbles, the more the user will have to close the hands to be able to explode them. The bubbles size can be configured according to the hand control of the patient.