Undesired muscle twitches in the arm, leg, shoulder ... Although it doesn't directly cause pain, pain is a relatively common complication for people whose ALS has progressed.

Brooke Eby was diagnosed with ALS, or Lou Gehrig's disease ... leg too — an official sign of progression. They checked my arm and saw it was twitching a little bit. That was enough for them ...

Pain in the right shoulder and arm can occur due to injury, wear and tear, and other health conditions. You may experience other symptoms with certain causes. Shoulder pain is very common.

TOKUSHIMA--A drug normally used to alleviate nerve pain and backaches can slow the progression of the early stages of amyotrophic lateral sclerosis (ALS), researchers from Tokushima University ...