Effect of Immobilization on Soft Tissue Structures Quiz
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Questions and Answers

What is one of the main reasons for the limitation of the range of motion (ROM) in immobilized joints?

  • Decreased movement of the tendon within its sheath
  • Atrophy of peri- and intra-articular tissues
  • Poor repair of the blood vessels of the injured tendon
  • Shortening of muscles due to sarcomeres and connective tissue changes (correct)

What leads to edema in muscle tissue during immobilization?

  • Decreased movement of the tendon within its sheath
  • Atrophy of peri- and intra-articular tissues
  • Poor repair of the blood vessels of the injured tendon
  • Shortening of muscles due to sarcomeres and connective tissue changes (correct)

What happens to the number of sarcomeres in muscle tissue during immobilization?

  • Increase and shorten
  • Decrease and lengthen
  • Decrease and shorten (correct)
  • Increase and lengthen

What effect does movement have on the connective tissue matrix?

<p>Maintains inter-fibril distance and lubrication (D)</p> Signup and view all the answers

What effect does movement have on a-vascular structures like cartilage, ligaments, and tendons?

<p>Causes a pump effect for the flow of interstitial fluid (D)</p> Signup and view all the answers

What contributes to contracture formation and a decrease in joint ROM?

<p>Progressive atrophy of peri- and intra-articular tissues (A)</p> Signup and view all the answers

Why is movement graded according to the phase of healing extremely important after soft tissue injury?

<p>To prevent excessive cross bindings and adhesions (B)</p> Signup and view all the answers

What does movement improve in the balance between GAG’s and water content in tissue?

<p>Maintains inter-fibril distance and lubrication (A)</p> Signup and view all the answers

What happens to the collagen matrix with immobilization?

<p>Increased breakdown and production of collagen (B)</p> Signup and view all the answers

How does immobilization affect ligaments?

<p>Causes atrophy and breakdown of collagen content (B)</p> Signup and view all the answers

What effect does immobilization have on tendons?

<p>Results in atrophy and breakdown of mechanical properties (B)</p> Signup and view all the answers

What happens to the water and GAG content of the collagen matrix with immobilization?

<p>Decreases, causing collagen fibrils to be closer together (B)</p> Signup and view all the answers

What is the impact of immobilization on the tensile strength of the tissue?

<p>Becomes erratic and weakens (D)</p> Signup and view all the answers

How does immobilization affect the formation of adhesions and contractures?

<p>Eventually leads to their formation due to limits in normal interfibril gliding (C)</p> Signup and view all the answers

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