Palm-to-fingertip translation
In-hand manipulation: palm-to-finger translation
Goal
Critical in-hand manipulation skill for daily tasks.
Motion taxonomy (reference)
Also called: in hand manipulation
Muscles — finger flexors, interossei, lumbricals, thenar muscles
Tendons — flexor tendons
Bones / joints — IP joints, MCP joints, metacarpals, phalanges
Indexed benefits: builds coordination · improves dexterity · supports tool and utensil control
Common contexts: coordination rehab · daily function · fine motor control
Best for
- Fine motor refinement
Default dose
2 min • 1×/day
Equipment
Coins
Avoid when
- Acute pain with grip
Measurement targets
- Translations per minute
Setup
- Hold 3–5 coins in the palm.
Steps
- 1Move one coin at a time from palm to fingertips, then back.
Cues
- Don't drop the others.
Common mistakes
- Using the other hand to help.
Stop if you feel
Stop rules
- Sharp pain (≥ 4/10)
- Increasing swelling during or after
- New or worsening numbness or tingling
- Color change in fingers (pale, blue, red)
- Wound opens, drains, or feels hot
- Next morning is worse than the day before
Progressions
- More coins; smaller objects.
Regressions
- Two coins only.
What to do next — not a dead end
Suggestions use body region, goal, motion type, and allowed phases — not your medical record. After surgery or a flare, follow your clinician first.
~2 min typical block
~2 min · 1×/day
Coins
Phases 3, 4
Generally lower load — still respect pain and swelling.
Next best movements
Later phase or richer progression when you are ready.
Prerequisite / gentler lane
Same region and intent — usually earlier phase or lower risk.
Commonly paired with
Different primary goal, same region — typical mixed sessions.
Related movements
Similar mechanics, goals, or anatomy.
Keep momentum without overdoing it
Log a short check-in to protect your streak — even one quality set counts.