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Hand surgery education

Cubital tunnel release

Creates more room for the ulnar nerve as it passes through the cubital tunnel at the inner elbow. Used when nerve irritation causes numbness in the ring and small fingers, weakness of fine movements, or pain with elbow bending.

  • Phases

    3

  • Red flags

    3

  • Sources

    1

Editorial content last reviewed 2026-04-30. Always follow your own clinical team.

Why it's done

  • Persistent ulnar nerve symptoms not improving with conservative care
  • Weakness or muscle wasting in the hand (when surgery is indicated)

Related condition overview

Our learn library has a separate page on Cubital tunnel syndrome — helpful context alongside this surgery overview.

Open Cubital tunnel syndrome

Typical recovery phases

General patterns only — your protocol wins.

  1. Phase 1Days 0–10

    Protect the incision; gentle hand use.

    Keep the dressing clean; avoid pressing the inner elbow on hard surfaces.

  2. Phase 2Weeks 2–6

    Restore comfortable elbow motion.

    Gradual flexion/extension as cleared; avoid prolonged deep elbow bending early.

  3. Phase 3Weeks 6–12

    Strength and nerve symptom recovery.

    Expect gradual changes in numbness; report sudden worsening.

Red flags — call your team

  • Fever, drainage, or spreading redness
  • Severe new weakness
  • Sudden inability to move the fingers

Splints you may wear

Related motions in the movement library

Canonical hand-therapy movements linked to this condition for education — not a substitute for your own program or clearance.

Sources