Movement guide
Opponens pollicis
Rotates and draws the thumb across the palm for opposition.
01
Thumb opposition with putty
Thumb control · Soft putty
Also works
Abductor pollicis brevis, flexor pollicis brevis
How to perform +
Place soft putty near the base of your little finger. Bring the thumb across the palm to press into it.
Move the thumb base rather than only bending the tip.
Example volume · 1–2 sets × 8–12 gentle reps