Cobra Position (Pujangasana) This is from yogaid.com online Yoga Class. You can perform this Yoga Position up to 3 times or a little more, each time 10 - 15 seconds after brief interval between each spell. Don't strain yourself. Cobra Position strengthens the center and upper portion of your spine besides strengthening your neck & shoulder too. This Position will get rid of your chronic neck pain and shoulder pain in 3 weeks if you practice this position every morning regularly. Your hips and abdomen are also getting activated while practicing this position. Amateur girls should not practice this Yoga Position when they are in the family way. Expert Ladies can practice this Yoga Position up to the 3 rd month when they are pregnant.