Manual Muscle Testing: Ankle Inversion

Muscles Involved:[edit | edit source]

Tibialis Posterior

Patient Positioning[edit | edit source]

Side lying with test-side ankle off the edge of the plinth

For grades 0 to 2 patient can be supine or short sitting ('gravity minimal' position)

Joint start Position[edit | edit source]

Slight ankle plantar flexion

Therapist Position[edit | edit source]

Sit on stool/chair in front of patient

  • Palpation over tibialis posterior
  • Other hand resistance over dorsum & medial foot

To Test[edit | edit source]

  • Patient actively inverts
  • Grades 4 and 5: Therapist provides resistance towards eversion + slight dorsiflexion[1]

References[edit | edit source]

  1. Hislop H, Avers D, Brown M. Daniels and Worthingham's muscle Testing-E-Book: Techniques of manual examination and performance testing. Elsevier Health Sciences; 2013 Sep 27.