ROM/MMT Testing
Bony landmarks for ROM measurement must be known for a multitude of reasons. First, bony landmarks are good tellings for where we should place our gonimeters for best testing. This helps strengthen interrater/intrarater reliability when you other therapists measure with the goniometer or measure for the ROM again. Proper positioning allows the measurer to put the client in the right state for most accurate testing. Putting the client in this proper position allows the starting point to be 0 degrees which is where you must be for accurate testing. This also allows for a higher test reliability if everyone starts at the same position for ROM testing. A proper test position also allows for full ROM of the joint to be present if the client can do so. In addition to this, it allows the client's proximal joints to be stabilized to avoid a substitution in motion and for the isolated joint to be properly measured.
The reasoning behind the test position for MMT is similar to the proper positioning for measuring ROM. The first and one of the most important is good test reliability. There needs to be an equal standard among those doing MMT to get the most accurate results for their client's benefit. This is also a condition to safety. If a person is not put in a safe testing position in the beginning, this can be dangerous to them especially if they are someone who needs to be in the gravity eliminated position. It is also imperative that the client be originally placed in the mid-joint position to allow for proper measurement as that position is where the most muscle contraction occurs. The gravity-eliminate position, which was previously mentioned is important for clients who can not go through the complete ROM. This makes it easier for them to go through the motion that needs testing as gravity added positioning is much harder for those who are struggling with complete ROM.
The reasoning behind the test position for MMT is similar to the proper positioning for measuring ROM. The first and one of the most important is good test reliability. There needs to be an equal standard among those doing MMT to get the most accurate results for their client's benefit. This is also a condition to safety. If a person is not put in a safe testing position in the beginning, this can be dangerous to them especially if they are someone who needs to be in the gravity eliminated position. It is also imperative that the client be originally placed in the mid-joint position to allow for proper measurement as that position is where the most muscle contraction occurs. The gravity-eliminate position, which was previously mentioned is important for clients who can not go through the complete ROM. This makes it easier for them to go through the motion that needs testing as gravity added positioning is much harder for those who are struggling with complete ROM.
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