🎯 Phase 1: Basic Grips
Learn the foundation of grip control and strength with essential grip patterns.
Task 1 – Power Grip (Holding a Bottle)
Objective: Hold and lift a bottle securely.
Position: Place your prosthetic finger around the bottle.
Action: Apply firm but even pressure.
Goal: Lift the bottle without slipping or adjusting.
✅ Success Check:
- Grip feels stable.
- No need to readjust the prosthetic finger.
⚠ Troubleshooting:
If the bottle slips → Tighten the ring or adjust the backplate.
If the grip feels weak → Try a different ring size.
🏆 Challenge: Lift the bottle 3 times without adjusting your grip.
💪 Real-World Scenario: Hold a water bottle while walking.
Task 2 – Pinch Grip (Picking Up a Coin)
Objective: Pick up a coin from a flat surface.
Position: Rest your prosthetic finger and thumb on the coin.
Action: Apply light pressure and lift.
Goal: Pick up the coin from table and hold it.
✅ Success Check:
- Coin remains stable.
- No slipping.
⚠ Troubleshooting:
If the coin slips → Adjust grip pressure or ring size.
Aim to use a side of the ring or fairing of the prosthetic finger.
🏆 Challenge: Pick up 5 coins without slipping.
💪 Real-World Scenario: Pick up keys or coins from a table.
Task 3 – Tripod Grip (Holding a Pen)
Objective: Hold a pen and write your name.
Position: Rest the pen between your thumb, index finger, and prosthetic finger.
Action: Apply light pressure and write slowly.
Goal: Write legibly without the pen slipping.
✅ Success Check:
- Writing is clear and controlled.
- No shifting of the pen.
⚠ Troubleshooting:
If the pen wobbles → Adjust grip pressure.
If movement feels limited → Try adjusting the backplate.
🏆 Challenge: Write a full sentence without adjusting your grip.
💪 Real-World Scenario: Sign your name on a document.
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✋ Phase 2: Functional Grips
Task 4 – Lateral Grip (Holding a Key)
Objective: Hold and turn a key.
Position: Place the key between your thumb and prosthetic finger.
Action: Apply pressure and rotate.
Goal: Turn the key without it slipping.
✅ Success Check:
- Grip remains stable.
- Smooth key rotation.
⚠ Troubleshooting:
If the key slips → Adjust grip pressure.
Aim to use a side of the ring or fairing of the prosthetic finger.
🏆 Challenge: Unlock a door 3 times without readjusting.
💪 Real-World Scenario: Use this grip to unlock doors.
Task 5 – Hook Grip (Carrying a Bag)
Objective: Carry a bag securely.
Position: Curl your prosthetic finger around the handle.
Action: Lift with steady pressure.
Goal: Carry the bag without losing grip.
✅ Success Check:
- Bag feels secure.
- No slipping while walking.
⚠ Troubleshooting:
If the bag slips → Tighten grip or adjust backplate.
🏆 Challenge: Carry the bag for 30 seconds.
💪 Real-World Scenario: Carry a grocery bag.
Task 6 – Spherical Grip (Holding a Ball)
Objective: Hold a ball securely.
Position: Wrap your prosthetic finger around the ball.
Action: Rotate wrist and ensure ball doesn't fall off the device.
Goal: Lift and hold the ball in all orientations steadily.
✅ Success Check:
- Ball stays in place.
- The finger tips can manipulate the ball.
⚠ Troubleshooting:
If the ball slips → Adjust ring size or grip pressure.
🏆 Challenge: Throw the ball vertically and catch it.
💪 Real-World Scenario: Hold a piece of fruit or a jar.