PTR206 Electrotherapy II: Extracorporeal Shockwave Therapy

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?

0-20 MHz (A) Signup and view all the answers

What is the result of the negative phase of shockwaves?

Cavitation and gas bubbles (C) Signup and view all the answers

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

It stimulates osteogenesis and fracture healing (D) Signup and view all the answers

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

Outside the body (C) Signup and view all the answers

What is unique about shockwaves compared to other acoustic waves?

They have a lower frequency (D) Signup and view all the answers

What is an example of a shockwave in everyday life?

A clap of hands (A) Signup and view all the answers

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

Cavitations (D) Signup and view all the answers

What is cavitations in the context of shockwave therapy?

Formation of vapor bubbles in a molecule (A) Signup and view all the answers

What is the effect of cavitations on tissues?

It damages the affected tissues (C) Signup and view all the answers

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

1000 times greater (B) Signup and view all the answers

What type of shockwave is often referred to as lithotripsy?

Focused ESWT (A) Signup and view all the answers

What is a feature of radial pressure waves?

Creates expanding wave fronts away from the concussion plate (C) Signup and view all the answers

What is a broader effect of ESWT?

All of the above (D) Signup and view all the answers

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

Nutrient blood flow (D) Signup and view all the answers

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

Capillary microruptures occur (D) Signup and view all the answers

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

Production of chemokines and cytokines (D) Signup and view all the answers

What is the role of shockwave therapy in collagen production?

It accelerates procollagen synthesis (B) Signup and view all the answers

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

Micro-tears or other trauma (C) Signup and view all the answers

What is the effect of shockwave therapy on calcified fibroblasts?

It breaks up the existing calcifications (C) Signup and view all the answers

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

Promotion of neovascularization (C) Signup and view all the answers

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

A sufficient amount of collagen (A) Signup and view all the answers

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

To remove granular particles of calcium (C) Signup and view all the answers

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

It reduces the pain by decreasing the stimulation of afferent nociceptive fibers (B) Signup and view all the answers

What is the result of the contraction of dysfunctional sarcomeres?

Build-up of waste products (A) 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?

Metabolic crisis (B) Signup and view all the answers

What is the assumed mechanism of action of Shockwave therapy?

It unblocks the calcium pump and reverses the metabolic crisis (B) Signup and view all the answers

What is the location of trigger points in muscle fibers?

In palpable nodules in taut bands of muscle fibers (C) Signup and view all the answers