title: Disturbance in the voluntary recruitment order of tibial anterior motor units in spastic paraparesis upon fatigue.
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000503:physiopathology*; D005221:Fatigue; D006801:Humans; D009128:Muscle Spasticity / Q000503:physiopathology*; D009132:Muscles / Q000503:physiopathology; D013977:Tibia / Q000503:physiopathology