1 Upper back pain may also be due to a specific event, such as a muscle strain, sports injury, or auto accident. 2  Massage can help work out the spasm/irritation and improve range of motion. 3  Read more in Back muscles and low back pain and Causes of upper back pain. 4  Osteoarthritis of the spine.
Â· just now. Report Abuse. A regular shamrock has 3 leaves, which is how St. Patrick taught the Irish people about Christianity (the Father, Son, and Holy Ghost) A 4 - leaf clover has 4 leaves, and it's pretty lucky and rare to find one! Sweet n Sour Â· 9 years ago. Thumbs up. 0.
What's the difference? For one thing, the three-leaf clover was, according to legend, what St. Patrick used to explain the Holy Trinity of Christianity to the Irish people. Four leaves just doesn't add up.