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
An injured Deltoid muscle can cause pain at the front, side or back of the shoulder. A sudden pain in the muscle at the front of the shoulder is common. Pain is reproduced when lifting the arm from your side to the front keeping it straight against resistance. Or when you lift your arm from your side up sideways against resistance if the strain is in the mid portion or top of the muscle.