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.
Leaves are classified as either alternate, spiral, opposite, or whorled. Plants that have only one leaf per node have leaves that are said to be either alternate or spiral. Alternate leaves alternate on each side of the stem in a flat plane, and spiral leaves are arranged in a spiral along the stem. In an opposite leaf arrangement, two leaves arise at the same point, with the leaves connecting opposite each other along the branch.