Biomechanics & Surgery: Tissue Mechanics IV Ligament / Tendon
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Questions and Answers

What is a key objective of studying tendons and ligaments in the context of biomechanics and surgery?

  • Describing the mechanical behavior of tendons and ligaments in response to tensile loads (correct)
  • Exploring the impact of lung capacity on tendon health
  • Understanding the formation of muscle fibers
  • Discovering the effects of aging on tendon elasticity
  • What is one of the components that make up tendons?

  • Chondrocytes
  • Collagen fibers (correct)
  • Adipocytes
  • Osteoclasts
  • How does stress deprivation affect tendons and ligaments?

  • Improves their tensile strength
  • Enhances their mechanical properties
  • Reduces their flexibility (correct)
  • Causes a decline in their healing abilities
  • Which factor does NOT influence the mechanical behavior of tendons and ligaments?

    <p>Emotional factors</p> Signup and view all the answers

    In tendon healing, what is an important aspect to describe about the mechanical properties?

    <p>Increased stiffness</p> Signup and view all the answers

    What is one function of tendons in the body?

    <p>Attaching muscles to bones</p> Signup and view all the answers

    What is the primary function of the musculotendinous unit?

    <p>To transmit tensile forces from the muscle to the bone</p> Signup and view all the answers

    What is the main difference in composition between tendons and ligaments?

    <p>Tendons transmit tensile forces from muscle to bone, while ligaments limit joint motion.</p> Signup and view all the answers

    What is the function of the tendon synovial sheath?

    <p>To provide a closed duct around the tendon, allowing it to glide on bone surfaces.</p> Signup and view all the answers

    What is the difference in the general biomechanical behavior between tendons and ligaments?

    <p>Tendons can withstand unidirectional tensile loads, while ligaments can resist high tensile loads in one direction and smaller tensile loads in other directions.</p> Signup and view all the answers

    What is the name of the junction between the tendon and the muscle?

    <p>Myotendinous junction (MTJ)</p> Signup and view all the answers

    What is the name of the junction between the tendon and the bone?

    <p>Osteotendinous junction (OTJ)</p> Signup and view all the answers

    What is the primary function of the synovial fluid in the synovial sheath surrounding tendons?

    <p>To provide lubrication and facilitate smooth gliding of the tendons</p> Signup and view all the answers

    What is the purpose of the annular pulleys surrounding tendons?

    <p>To provide a fulcrum and add mechanical advantage to flexion</p> Signup and view all the answers

    What is the primary function of the paratenon surrounding some tendons?

    <p>To reduce friction and permit free movement of the tendon</p> Signup and view all the answers

    What is the primary component of the paratenon surrounding some tendons?

    <p>Loose fibrillar tissue (type I and III collagen)</p> Signup and view all the answers

    What is the primary function of the epitenon surrounding tendons?

    <p>To provide a fibrillar network of collagen around the tendon</p> Signup and view all the answers

    What happens to the epitenon fibers when the tendon is stretched?

    <p>They reorient themselves to a smaller angle with the tendon axis</p> Signup and view all the answers

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