The Difference Between Chiropractic Mobilization and Manipulation Techniques
Chiropractic Mobilization and Manipulation Techniques of the Extremity and Spine
(1) Mobilization: Slow/slower or low-velocity techniques to which the joint remains within its passive range of motion/movement. The patient has control.
(2) Manipulation: Fast/faster or high velocity techniques that take the joint beyond the passive range end barrier (what is known as the paraphysiological space) of motion/movement. Because of the speed at which the technique is applied the patient does not have control.
The difference between mobilization and manipulation is that manipulation is a controlled sudden thrust or impulse with speed applied at the end of the passive range of motion/movement, which cannot be achieved through mobilization.
The manipulation is very quick and is similar to popping or cracking your knuckles. The technical term for the popping/cracking sound is called "cavitation". The sound is not made from bone on bone contact but rather from the collapse of a bubble of gas that escapes from the joint fluid, which creates low pressure within the joint capsule when the two joint surfaces are separated during the manipulation. Cavitation can also occur with mobilization.
Although the thought of a speedy thrust combined with popping or cracking sounds and the joint separating from each other might sound creepy, one must consider the fact that the separation is a controlled thrust and is over an extremely small range of movement.
All professions involved in manual health care use the terms "mobilization and manipulation". Chiropractors use both mobilization (low velocity) and manipulation (high velocity) techniques and the chiropractic "adjustment" in particular are usually synonymous with both manipulation and mobilization.
Manual diagnosis and treatment protocol is a complex endeavor, which requires extensive education, long standing training and great skill. For the untrained, going to weekend seminars will never provide the skills necessary to perform a safe and correct treatment. The practice of spinal and/or extremity manipulation and mobilization requires a deep understanding of human structural anatomy, human biomechanics and human nervous system motor function.
Highly trained health care professionals who employ manual health care such as licensed chiropractors, osteopaths and others who have the proper formal training, must know how, where and when to use mobilization and manipulation techniques. DO NOT TRY THESE TECHNIQUES AT HOME.
I hope this article is helpful for those interested and should anybody ask you, "have you ever had your (spine, neck, hip, back or whatever) popped or cracked"? You'll know what they mean.
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- the difference between mobilization and manipulation
- the popping sound a bone makes during a manipulation is called a cavitation
- chiropractic adjustments are synonymous with mobilization and manipulation