Biomechanics & Surgery: Tissue Mechanics IV Ligament / Tendon

Play an AI-generated podcast conversation about this lesson

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?

Emotional factors (D) Signup and view all the answers

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

Increased stiffness (B) Signup and view all the answers

What is one function of tendons in the body?

Attaching muscles to bones (B) Signup and view all the answers

What is the primary function of the musculotendinous unit?

To transmit tensile forces from the muscle to the bone (C) Signup and view all the answers

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

Tendons transmit tensile forces from muscle to bone, while ligaments limit joint motion. (A) Signup and view all the answers

What is the function of the tendon synovial sheath?

To provide a closed duct around the tendon, allowing it to glide on bone surfaces. (B) Signup and view all the answers

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

Tendons can withstand unidirectional tensile loads, while ligaments can resist high tensile loads in one direction and smaller tensile loads in other directions. (B) Signup and view all the answers

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

Myotendinous junction (MTJ) (A) Signup and view all the answers

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

Osteotendinous junction (OTJ) (A) Signup and view all the answers

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

To provide lubrication and facilitate smooth gliding of the tendons (D) Signup and view all the answers

What is the purpose of the annular pulleys surrounding tendons?

To provide a fulcrum and add mechanical advantage to flexion (C) Signup and view all the answers

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

To reduce friction and permit free movement of the tendon (B) Signup and view all the answers

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

Loose fibrillar tissue (type I and III collagen) (C) Signup and view all the answers

What is the primary function of the epitenon surrounding tendons?

To provide a fibrillar network of collagen around the tendon (A) Signup and view all the answers

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

They reorient themselves to a smaller angle with the tendon axis (D) Signup and view all the answers