Advanced Peroneal Isotonic Strength

Key notes

  • Type of exercise: Isotonic strength
  • Muscles used: Peroneus longus and peroneus brevis
  • Good for: Developing strength in the peroneal muscles and building coordination. Also good for rehabilitating lateral ankle sprains.
  • When to use during rehab: Mid stages

Equipment options

If you’re doing this exercise with a patient in clinic, you’ll need an exercise step as well as something that will assist their balance (such as a broom handle). If the patient is doing this exercise at home, they can stand on a step and use a chair or wall to support themselves.


  1. Have your patient place the medial half of their foot onto the step, while the lateral half hangs off the edge. They should be stood on one leg, using a wall (or any stable object) for balance, although the balance aid should not be used to support the patient’s full body weight.
  2. Next, have them invert and then evert the foot for 2 to 3 seconds at a time.
  3. The patient should feel the peroneal muscles on the side of the leg tensing as they do this.
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