Range of Motion: Elbow Supination

range of motion Jul 03, 2023


Testing elbow supination range of motion with an inclinometer typically involves the following steps:

  1. Start with the client either standing, or sitting upright at the edge of a chair or table. Ensure their elbow is tucked into the side of their trunk with 90 degrees of elbow flexion and thumb facing up toward the ceiling.
  2. Before instructing the client to begin the test, hold your smart device upright alongside the forearm, ensuring the inclinometer remains at 0 degrees. 
  3. Maintaining this position, instruct the client to rotate their forearm outward as best they can. 
  4. Follow the rotation of the forearm, or simply align it with the client’s end position. Press pause, and then the save button to record and view the results. NB: Looking for 80 degrees of elbow supination.

The normal range of motion for elbow supination is typically between 80 and 90 degrees. However, the exact range can vary depending on factors such as age, sex, and individual differences in anatomy and flexibility. 



  1. Norkin, C. C., & White, D. J. (2016). Measurement of Joint Motion: A Guide to Goniometry (5th ed.). F. A. Davis Company.
  2. Kisner, C., & Colby, L. A. (2007). Therapeutic Exercise: Foundations and Techniques (5th ed.). F. A. Davis Company.
  3. Magee, D. J. (2013). Orthopedic Physical Assessment (6th ed.). Elsevier.

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