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Range of Motion

Chapter 8 - A & P Lecture

QuestionAnswer
What is range of motion (ROM)? the amount of mobility demonstrated at a given joint
what is active range of motion? the amount of movement accomplished by muscle contraction
what is passive range of motion? the amount of movement accomplished by an outside force
what factor influence both active and passive range of motion? shape of joint surfaces, condition of the cartilage, strength and position of ligaments & tendons, amount of surrounding muscle/fat, amount of fluid in the joint, level of pain, how much joint is/isn't used
what is a dislocation (luxation)? occurs when articulating surfaces are moved out of proper alignment
what is a subluxation? partial dislocation
what is a sprain? damaged ligament that may be stretched or completely torn
 

 



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