12 Questions
What type of force is applied perpendicular to the tissue in a direction away from it?
Tension
Which force is applied perpendicular to the tissue in a direction toward it?
Compression
What force is applied parallel to the cross-sectional area of the tissue?
Shear
Which component consists of collagen and elastin fibers?
Ligaments
What happens when collagen is pushed beyond its yield point?
Tissue lengthening due to permanent deformation
How does the presence of elastin affect tissue flexibility?
Increases flexibility
What is the purpose of autogenic inhibition in stretching?
To reflexively relax the antagonist muscle
Which neurophysiological concept underlies reciprocal inhibition during stretching?
Contraction of agonist causing relaxation in antagonist muscle
Which property of collagen allows for slow return to normal length after deformation?
Viscoelasticity
What happens when a stretch lasts longer than 6 seconds according to the text?
Muscle spindle sends impulses to GTO
What is the main function of Golgi tendon organs (GTO) in relation to stretching?
To cause reflex relaxation in the antagonist muscle
What is the purpose of reciprocal inhibition during stretching?
To enable relaxation in the antagonist muscle
Test your knowledge on the different types of forces and stresses that tissues can experience, including tension, compression, and shear. Learn how muscle contraction and joint loading can cause compression stresses in joints.
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