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
1 The following are some of the most common causes of shoulder blade pain. Keep in mind that occasional pain scapular pain is a common problem that usually resolves within a day or so. However, unrelenting pain can mean a sign of something more serious.  Overuse of Shoulder Muscles.