MCP knuckle blocking (isolated finger motion)
Stabilize the small finger joints while bending only the big knuckles — a classic hand-therapy drill to regain isolated MCP flexion and extension after stiffness or immobilization.
Do this exercise
2 sets × 6 reps. Watch the demo and tap through at your own pace — we log your reps, holds, and how it felt.
Prefer the classic step-by-step timer?
Rest the forearm on a table, palm down, fingers long and relaxed.
Ready when you are
We'll guide you through 5 short steps — about 33 seconds of guided motion. Pause or stop anytime — nothing is uploaded.
Have ready: No special equipment
Contraindications & stop if…
When not to do this
- Recent flexor tendon repair or fracture fixation without surgeon clearance and protocol
- Unstable MCP collateral ligament injury until cleared for active motion
Stop if
- Sharp pain at a knuckle or along the back of the hand
- New triggering or catching that worsens with blocking
- Swelling that increases during the set
Prefer a quick pacing gate before the timer? Use full guided session — it asks for pain, stiffness, and fatigue in a few taps first (education only, not clearance).
Why it helps
Blocking the PIP and DIP joints forces the long extensors and flexors to work primarily at the MCP — the same joint that often stiffens first after swelling, casting, or guarded gripping.
What it should feel like
A focused effort at the knuckles with little movement at the tips. Mild stretch is OK; sharp pain is not.
Target area
Finger knuckles (MCP joints), extensor tendons
Stop if you notice
- Sharp pain at a knuckle or along the back of the hand
- New triggering or catching that worsens with blocking
- Swelling that increases during the set
Get clearance first if
- Recent flexor tendon repair or fracture fixation without surgeon clearance and protocol
- Unstable MCP collateral ligament injury until cleared for active motion
Instructions, dose & tipsSetup, how many to do, and common mistakes
How to do it well
Goal, setup, dose, and the things therapists most often have to repeat. This is education — not a replacement for your clinician's plan.
Before you start
- Your therapist may prefer a different finger order or range — follow their sheet first.
- Never press hard enough to blanch the skin or numb the fingertip.
Today's dose
- Reps
- 6
- Sets
- 2
- Sessions / day
- 3
- Rest
- 45s
- Pain ceiling
- 3/10
Common mistakes
- Letting the tip joints bend while you think you are blocking
- Cranking the knuckle into painful end range
- Holding the breath through reps
Easier version
- Practice on the index finger only
- Reduce to one set per day
Harder version
Only if your phase allows progression.
- When cleared, combine with your full tendon glide sequence the same session
How did this feel?
One tap. Saved as a question for your next visit when relevant — never auto-shared.