Range of Motion: Ankle Plantarflexion

range of motion Jun 28, 2023

To test plantarflexion range of motion with an inclinometer, you would follow these steps:

  1. With their shoes and socks off, get your client to lie down in a supine position on a massage table.
  2. Press the play button on the Measurz inclinometer and instruct the client to push their foot down and away from their body as far as they can. 
  3. Remember, for these kinds of tests the Measurz inclinometer automatically orientates to a vertical plane. So once the client has flexed their ankle, simply the inclinometer with the first metatarsal and the malleolus, and then follow the plantar-flexed foot as necessary.
  4. Hit the pause/play, and then the save button to record and view results. NB: A normative result would be at least 40 degrees of plantar flexion.

A normative result would be at least 40 degrees of plantar flexion but this can vary slightly depending on the individual. It's important to remember that normal range of motion can also vary based on factors such as age, gender, and physical activity level. If you are experiencing any pain or limitation in ankle range of motion, it's recommended to seek guidance from a healthcare professional.



  1. Magee, D. J. (2013). Orthopedic physical assessment (6th ed.). St. Louis, MO: Saunders Elsevier.
  2. Brukner, P., & Khan, K. (2017). Clinical sports medicine (5th ed.). North Ryde, NSW: McGraw-Hill Education.
  3. Norkin, C. C., & White, D. J. (2016). Measurement of joint motion: A guide to goniometry (5th ed.). Philadelphia, PA: F. A. Davis Company.

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