We know how to grade the muscle power for all the kinds of muscle movements (like flexion or extension of hip joint) but how can we grade the power, for example, of hip internal rotation?
Can anyone give me the power scale for rotatory joint movements?
Dear Hani
This book may be useful for you:
Postgraduate Orthopaedics: The Candidate’s Guide to the FRCS (Tr & Orth) Examination
Second edition Cambridge University Press 2012
The so-called MMT (manual muscle testing) is available in every orthopaedic textbook. I do not think the examination of rotatory joint movements (score) differ from the general principles for every other movement.
Dear professor Tanchev.
If you can tell me how I can differentiate between grade 2 and 3.
In another way, how I can do internal or external rotation with and then against gravity?
Dear Dr. Hani,
You may have a look at "Manual of Structural Kinesiology" by RT Floyd, 16th Edition, McGraw-Hill Co., New York, 2007.
Usually the rotatory movements of the hip are measured in a prone position with flexed knees. In this way you may test the external and internal rotators starting from extreme external rotation (against the gravity of the leg) to the neutral plane and then vice-versa.
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