Stretchy Finger Exerciser

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I made a finger exerciser out of Hyperflex Stretchy String . It was really easy to make, and would be perfect to work on strengthening finger extensor muscles in really weak hands. I envision using it with kids who have hemiplegia.

finger exerciser 1

Theraputty is the standby hand strengthening tool, but it is hard to work on finger extensors with putty. I often will wrap the putty around the hand and fingers and then have kids try to open their hand against the resistance.

finger exerciser 2

To make this finger exerciser, I used some stretchy string and some hair ties to make 5 loops out of the stretchy string.

finger exerciser 3

finger exerciser 4


  • Stretchy String
  • hair ties


  • finger strength
  • fine motor

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Tonya is a pediatric Occupational Therapist, and loves creating things to work on skills and solve problems.


  1. What a great idea! You always come up with clever ways to create therapy tools.

  2. love this! where did you get the stretchy string?

  3. Alexander Pruss says:

    Very nice. Might also be useful for rock climbers to avoid imbalance from overdeveloped flexors.

    I wonder if doubling up on the thumb loop might not be a good idea (I am no professional, but at least my thumb extensors are much stronger than those of other fingers).

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