To my back is the sun 
Got my back are my friends 
On my back is my worries 
Stabbing my back are jerks and double crossers 
Rubbing my back is a loved one 
Helping my back are the meds 
Come to think of it being my back is hard 
But being my heart is even worse
Kenneth Caron Jr.
http://www.poemhunter.com/poem/back-8/