Eagle Pose, or Garuasana, like all the other postures, has tremendous effects on many of the internal organs and glands in your body's systems. It effects the skeletal system by creating a pressure build up around all the major joints. Make sure you are both sitting down and leaning back at the same time. Follow the teacher's instructions with lining up the joint. That same tourniquet effect creates a flooding or irrigation of the circulatory system throughout the body. You are also increase blood flow to the major organs of the abdomen, helping to improve their function. This posture is famously known for improving the functioning of the reproductive organs. Finally, you are improving the lymphatic system through the muscle contrition you create in the posture. Please let your teachers know if you have questions about any of the postures.