Biomechanics Post #2

            It is important to find the bony landmarks before performing range of motion testing because it allows for better interrater and intrarater reliability. If we know exactly where to place the axis of the goniometer each time, we can be more accurate each time and see better reliability among practitioners and each time a practitioner measures range of motion on a client. Putting the client in the proper position also helps with interrater and intrarater reliability because it helps ensure that the patient is being tested the same way each time.
            The test position for manual muscle testing is crucial. First, you have to make sure that you are testing the right muscles—if the client is positioned incorrectly, the test might be testing the wrong muscles. Also, the position is important for replication of the test for the same practitioner and other practitioners which is interrater and intrarater reliability.

            A gravity eliminated position for manual muscle testing is a position in which the movement is done parallel to the force of gravity. This position allows us to test clients for muscle strength when an against gravity position is too difficult.

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