PTR206 Electrotherapy II: Extracorporeal Shockwave Therapy
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Questions and Answers

What was the initial clinical application of Extracorporeal Shockwave Therapy (ESWT) in 1982?

  • Cardiovascular diseases
  • Musculoskeletal disorders
  • Orthopaedic disorders
  • Urologic conditions (correct)

    • What is the success rate reported in the research for ESWT in treating musculoskeletal problems?

  • 70-80% (correct)
  • 80-90%
  • 50-60%
  • 90-100%

    • What is the duration of shockwaves?

  • 10 milliseconds (correct)
  • 1 second
  • 1 minute
  • 10 seconds

    • What is the frequency range of shockwaves?

    <p>0-20 MHz</p> Signup and view all the answers

    What is the result of the negative phase of shockwaves?

    <p>Cavitation and gas bubbles</p> Signup and view all the answers

    What is the effect of ESWT on osteogenesis and fracture healing?

    <p>It stimulates osteogenesis and fracture healing</p> Signup and view all the answers

    What is the definition of Extracorporeal in the context of shockwave therapy?

    <p>Outside the body</p> Signup and view all the answers

    What is unique about shockwaves compared to other acoustic waves?

    <p>They have a lower frequency</p> Signup and view all the answers

    What is an example of a shockwave in everyday life?

    <p>A clap of hands</p> Signup and view all the answers

    What is the result of the rapid interaction between compression and shear forces?

    <p>Cavitations</p> Signup and view all the answers

    What is cavitations in the context of shockwave therapy?

    <p>Formation of vapor bubbles in a molecule</p> Signup and view all the answers

    What is the effect of cavitations on tissues?

    <p>It damages the affected tissues</p> Signup and view all the answers

    What is the approximate difference in peak pressure between shockwaves and ultrasound waves?

    <p>1000 times greater</p> Signup and view all the answers

    What type of shockwave is often referred to as lithotripsy?

    <p>Focused ESWT</p> Signup and view all the answers

    What is a feature of radial pressure waves?

    <p>Creates expanding wave fronts away from the concussion plate</p> Signup and view all the answers

    What is a broader effect of ESWT?

    <p>All of the above</p> Signup and view all the answers

    What is necessary to start and maintain the repair processes of damaged tissue structure?

    <p>Nutrient blood flow</p> Signup and view all the answers

    What occurs in tendon and bone due to the application of acoustic waves?

    <p>Capillary microruptures occur</p> Signup and view all the answers

    What is a result of mast cell activation in the inflammatory process?

    <p>Production of chemokines and cytokines</p> Signup and view all the answers

    What is the role of shockwave therapy in collagen production?

    <p>It accelerates procollagen synthesis</p> Signup and view all the answers

    What is a common cause of calcium build-up in a tendon?

    <p>Micro-tears or other trauma</p> Signup and view all the answers

    What is the effect of shockwave therapy on calcified fibroblasts?

    <p>It breaks up the existing calcifications</p> Signup and view all the answers

    What is a result of shockwave therapy at the tendon-bone junction?

    <p>Promotion of neovascularization</p> Signup and view all the answers

    What is a necessary precondition for the repair processes of damaged myoskeletal and ligamentous structures?

    <p>A sufficient amount of collagen</p> Signup and view all the answers

    What is the role of the lymphatic system in the process of pain relief?

    <p>To remove granular particles of calcium</p> Signup and view all the answers

    What is the effect of lowering the concentration of Substance P?

    <p>It reduces the pain by decreasing the stimulation of afferent nociceptive fibers</p> Signup and view all the answers

    What is the result of the contraction of dysfunctional sarcomeres?

    <p>Build-up of waste products</p> Signup and view all the answers

    What is the term used to describe the cycle of contraction and waste product build-up in muscle fibers?

    <p>Metabolic crisis</p> Signup and view all the answers

    What is the assumed mechanism of action of Shockwave therapy?

    <p>It unblocks the calcium pump and reverses the metabolic crisis</p> Signup and view all the answers

    What is the location of trigger points in muscle fibers?

    <p>In palpable nodules in taut bands of muscle fibers</p> Signup and view all the answers

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