Cobra: The first of the four-posture series, this pose isolates and strengthens the lower portion of the spine. Strengthens the lumbar spine, relieving pain and combating slipped or herniated discs, and scoliosis. Increases spinal strength and flexibility and helps correct poor posture. Prevents backaches and helps cure lower back pain, rheumatism, and arthritis of the spine. Relieves menstrual problems. Helps cure loss of appetite. Improves function of the liver and spleen.