This is a specific but not sensitive sign

• dorsiflexion of ankle
• extension and spreading of toe

~~Positive:~~ extensor plantar response (Fan) → Babinski Sign

Negative: flexor plantar response (Grab)

(Don’t use positive negative terminology, only use the term if they have the babinski sign)

https://www.youtube.com/watch?v=X34912T3IEg

People may be withdrawing and ticklish → and their finger will spread