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
View Article Summary. There is a reason for the painful knots you have in your back near your shoulder blades. Most often the reason is that you have muscles pulling on your shoulder blade. That, in turn, causes your shoulder blade to pull on the other muscles nearby. The muscles that are being pulled on become taut (taut is a kind of tightness or spasm) to protect themselves. That tautness is the knot or muscle spasm or contraction that you feel.