(ACTUALLY AN ANSWER TO SLIPPING RIB SYNDROME)I got an answer for u. I am 15, have probably the same thing u have. i had 3 rib surgeries to take care of this. Its called Slipping Rib Syndrome. I have had this pain for 3 years. my rib could move and clack with the other ribs. Ur born with this unless of injury. they took out my whole rib, 10 inches and the nerve was cut and tied off I had Severe shocking, stabbing, always there pain, hyper sensitivity, needle-like pain all throughout my back, and i couldnt even go to school for the past 2 1/2 years because of this. I am 3 1/2 weeks post-op and taking vicoden and Percocet. i stayed overnight after my surgery had morphine and heat and ice packs. hope this helps if you need anymore info. email me at ***@**** and write in the subject box "RIB PAIN" and i will write back as soon as possible. -Ice