Assessing Range of Motion

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Introduction[edit | edit source]

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Types of Range of Motion[edit | edit source]

  1. Passive Range of Motion
    • Passive range of motion (PROM) is the range of movement that is achieved when an outside force (such as a therapist or a Continuous Passive Motion Machine) exclusively causes movement of a joint and is usually the maximum range of motion that a joint can move. Usually performed when the patient is unable or not permitted to move the body part.
  2. Active-assisted Range of Motion
    • Active-assisted range of motion (AAROM) is the range of movement when the joint receives partial assistance from an outside force. Usually performed when the patient needs assistance with movement from an external force because of weakness, pain, or changes in muscle tone.
  3. Active Range of Motion
    • Active range of motion (AROM) is the range of movement that can be achieved when opposing muscles contract and relax, resulting in joint movement. For example, the active range of motion to allow the elbow to bend requires the biceps to contract while the triceps muscle relaxes. Active range of motion is usually less than passive range of motion.[1] Usually performed by the patient independently and when the patient is able to voluntarily contract, control, and coordinate a movement.

Factors Impacting Range of Motion[edit | edit source]

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Measuring Range of Motion[edit | edit source]

Principles of Measurement[edit | edit source]

Clinical Significance[edit | edit source]

Resources[edit | edit source]

References  [edit | edit source]

  1. Hudson S. Rehabilitation Methods and Modalities for the Cat. In: Handbook of Veterinary Pain Management 2009 Jan 1 (pp. 538-577). Mosby. Available:https://www.sciencedirect.com/science/article/pii/B9780323046794100280 (accessed 25.10.2021)