@gade Hello, There are many possible causes for pain between your shoulder blades muscle strains caused by poor posture are one of them. Remedies like exercises (arm circles, or stretching), diet (Certain foods can contribute to inflammation in your body that may worsen your symptoms. Avoid processed foods, and eat plenty of fruits and vegetables.), massaging, and Rest, applying hot and cold compresses between your shoulder blades may relieve discomfort. See a doctor if your pain is severe, unusual, or doesn’t go away. Thanks!