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.
There is still not a consensus over the precise botanical species of clover that is the true shamrock. John Gerard in his herbal of 1597 defined the shamrock as Trifolium pratense or Trifolium pratense flore albo, meaning Red or White Clover.