Why I Missed my R.E.A.C.H. Field Trip

Last Friday, my IT2 class had a R.E.A.C.H. field trip. Unfortunately, I was unable to go due to my left shoulder. I don't know what happened I was just experiencing an unbelievably sharp pain. My mom took me to the doctor I was given x-ray and a shot. Following that, I was given some medicine for the pain and I rested to about 4:00 o'clock.