Try to avoid straining as much as possible. In this type of Laughter,the lips are closed and a person tries to laugh making a little humming sound. This is an excellent exercise for lungs and abdominal muscles,along with all the internal organs. This Laughter is most comfortable and relaxing. The sound is not very loud nor silent.
People try to greet each other with laughter.
In this type of Laughter,the members laugh while lightly jumping on both feet or stamping their feet on the ground,alternatively. This is similiar to the expression of a child who laughs and jumps. Do not overexert in jumping laughter .Those who get any kind of discomfort while doing jumping laughter,should take it easy. This completes the first round of laughter and between each kind of laughter the members are instructed to take a break by taking one or two deep breaths.