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Effect of Immobilization on Soft Tissue Structures Quiz

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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?

Maintains inter-fibril distance and lubrication Signup and view all the answers

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

Causes a pump effect for the flow of interstitial fluid Signup and view all the answers

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

Progressive atrophy of peri- and intra-articular tissues Signup and view all the answers

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

To prevent excessive cross bindings and adhesions Signup and view all the answers

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

Maintains inter-fibril distance and lubrication Signup and view all the answers

What happens to the collagen matrix with immobilization?

Increased breakdown and production of collagen Signup and view all the answers

How does immobilization affect ligaments?

Causes atrophy and breakdown of collagen content Signup and view all the answers

What effect does immobilization have on tendons?

Results in atrophy and breakdown of mechanical properties Signup and view all the answers

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

Decreases, causing collagen fibrils to be closer together Signup and view all the answers

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

Becomes erratic and weakens Signup and view all the answers

How does immobilization affect the formation of adhesions and contractures?

Eventually leads to their formation due to limits in normal interfibril gliding Signup and view all the answers