Leg Tremor
Your legs move uncontrollably, giving you a −(IE) penalty on Dexterity (Acrobatics) checks and Dexterity (Stealth) checks.
Real-world Examples
Pathologic Myoclonus, Restless Leg Syndrome, Huntington’s Disease, Amyotrophic Lateral Sclerosis, Hyperreflexia
Assistive Options
During a short or long rest, succeed on a DC 8 + (IE) Constitution saving throw to reduce the IE by 1.