Weak shoulder and arm sparing signs in amyotrophic lateral sclerosis.
Yuichi HamadaTakamichi KanbayashiKazusa TakahashiHisao KamiyaShunsuke KobayashiMasahiro SonooPublished in: Muscle & nerve (2022)
The weak shoulder sign was highly sensitive in ALS, and was specific when compared with MMN. The arm sparing sign was highly specific for ALS. These two new signs are promising as clinical clues in the diagnosis of ALS.