Fold your left leg. Place the heel of the left foot under your left hip. Now fold the right foot is placed near your left hip. Take your right arm behind your back from above and left arm from below, so that fingers of both the hands are interlocked behind the back .Stay in this position for some time .Then repeat this by folding the right leg and placing its hell under the right hip.
This gives strength to the knees, shins and feet. It prevents disorders of the semen and prevents and enlargement of the testicles. It is also beneficial for the nervous system, lungs and heart.