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Thumb base (CMC) arthritis

Your thumb base hurts when you pinch, open jars, or turn keys.

Who it fits

People this profile usually fits

  • Pain and weakness at the thumb base
  • Pinch tasks reproduce pain
  • Often gradual onset, often after age 40
What recovery often looks like

Phases and themes

  • Joint protection: larger handles, two-handed lifting, splint if helpful.
  • Low-load isometrics for thenar stability.
  • Avoid forceful pinch with the joint collapsed.
How the plan adapts

Defaults and safety rails for this profile

  • Prefers low-load isometrics over heavy pinch.
  • Adds adaptive equipment and joint protection education.
  • Holds strength when CMC pain spikes.
Flares, workload & warnings

How HandTherapy.app adapts logic for this profile

  • Workload: joint-protection cues appear when pain is elevated on intake.

Use Flare-up mode after a rough session and Safety for daily readiness pacing.

Sources

Cited educational references

Related

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