My mom fell in Feb 2011, it was a controlled fall as my cousin was with her. She has had pain in the bottom of her buttocks, top of thigh off and on since. Now she has been saying that her hips and tailbone have been aching. She has fallen 2x in the past month so i didnt know if maybe that has caused the pain in her tailbone. Are these aches and pains common w/ ALS? Thanks for your help!