Forces and Stresses in Tissues Quiz
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Questions and Answers

What type of force is applied perpendicular to the tissue in a direction away from it?

  • Flexion
  • Shear
  • Tension (correct)
  • Compression

Which force is applied perpendicular to the tissue in a direction toward it?

  • Shear
  • Extension
  • Compression (correct)
  • Tension

What force is applied parallel to the cross-sectional area of the tissue?

  • Torsion
  • Extension
  • Shear (correct)
  • Compression

Which component consists of collagen and elastin fibers?

<p>Ligaments (A)</p> Signup and view all the answers

What happens when collagen is pushed beyond its yield point?

<p>Tissue lengthening due to permanent deformation (D)</p> Signup and view all the answers

How does the presence of elastin affect tissue flexibility?

<p>Increases flexibility (C)</p> Signup and view all the answers

What is the purpose of autogenic inhibition in stretching?

<p>To reflexively relax the antagonist muscle (A)</p> Signup and view all the answers

Which neurophysiological concept underlies reciprocal inhibition during stretching?

<p>Contraction of agonist causing relaxation in antagonist muscle (A)</p> Signup and view all the answers

Which property of collagen allows for slow return to normal length after deformation?

<p>Viscoelasticity (C)</p> Signup and view all the answers

What happens when a stretch lasts longer than 6 seconds according to the text?

<p>Muscle spindle sends impulses to GTO (C)</p> Signup and view all the answers

What is the main function of Golgi tendon organs (GTO) in relation to stretching?

<p>To cause reflex relaxation in the antagonist muscle (B)</p> Signup and view all the answers

What is the purpose of reciprocal inhibition during stretching?

<p>To enable relaxation in the antagonist muscle (A)</p> Signup and view all the answers

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