High amounts of ornithine may lead to blindness, muscle weakness, and reduced storage of creatine in muscles and the brain. Early evidence suggests that long-term creatine supplements may help replace missing creatine and slow vision loss.verall, the available evidence suggests that creatine does increase lean body mass, strength, and total work. Future studies should include the effect of individual differences such as fitness levels, sex, and age.
Injuries to other parts of your body, such as rotator cuff tears, spine fractures, or other injuries that cause trauma, can also lead to pain between your shoulder blades. Other causes for shoulder blade pain include: degenerative disc disease, or a herniated or bulging disc in the spine; scoliosis
Cancer: Certain cancers such as Pancoast tumors may cause radiating pain felt between the shoulder blades as it pushes on nerves near the top of the lungs. Other cancers that can cause a similar presentation include esophageal cancer, mesothelioma, lymphomas, and liver cancer.