Assertion: als's symptom | /r/HasProperty | gradual worsening
Facets:
value: in muscular strength
type: OTHER
Source sentences:
text: Such symptoms may include stiff muscles, muscle twitching, finger dexterity, cramps and weakness or wasting of intrinsic hand muscles and a gradual worsening in muscular strength resulting in difficulty in grasping a pen, lifting a cup, change in vocal pitch and others.