Kneel
on 'all fours', with hands and knees slightly apart. Arms and
thighs should be perpendicular to floor. Make the mouth like a
pipe and inhale through it with a hissing sound. At the same time,
arch the back up like an angry cat and lower head into jalandhara
bandha. Hold breath in this position. Exhale slowly
through the mouth, raising the head and arching the back down
toward floor. Repeat several times. Benefits: Makes the
spine flexible and strong, aids digestion, and strengthens muscles
of the back and abdomen. Recommended for women during menstruation
or pregnancy.