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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?

Ligaments Signup and view all the answers

What happens when collagen is pushed beyond its yield point?

Tissue lengthening due to permanent deformation Signup and view all the answers

How does the presence of elastin affect tissue flexibility?

Increases flexibility Signup and view all the answers

What is the purpose of autogenic inhibition in stretching?

To reflexively relax the antagonist muscle Signup and view all the answers

Which neurophysiological concept underlies reciprocal inhibition during stretching?

Contraction of agonist causing relaxation in antagonist muscle Signup and view all the answers

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

Viscoelasticity Signup and view all the answers

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

Muscle spindle sends impulses to GTO Signup and view all the answers

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

To cause reflex relaxation in the antagonist muscle Signup and view all the answers

What is the purpose of reciprocal inhibition during stretching?

To enable relaxation in the antagonist muscle Signup and view all the answers