1. rhesus factor-a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia. Rh, Rh factor.. rhesus factor-a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia. Rh, Rh factor.
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Progressive muscle relaxation. In this relaxation technique, you focus on slowly tensing and then relaxing each muscle group. This helps you focus on the difference between muscle tension and relaxation. You become more aware of physical sensations.One method of progressive muscle relaxation is to start by tensing and relaxing the muscles in your toes and progressively working your way up to your neck and head. You can also start with your head and neck and work down to your toes.t doesn't matter which relaxation technique you choose. What matters is that you try to practice relaxation regularly to reap its benefits. There are several main types of relaxation techniques, including: Autogenic relaxation. Autogenic means something that comes from within you.