Articular cartilage plays a crucial role at the ends of long bones by providing a smooth, lubricated surface for joint movement. It is a specialized type of cartilage that covers the surfaces of bones at the joints, allowing them to glide over each other with minimal friction.
This cartilage serves several important functions:
- Shock Absorption: Articular cartilage helps to absorb the impact and stress placed on joints during activities like walking, running, or jumping. This cushioning effect reduces the risk of injury to the underlying bone and surrounding tissues.
- Joint Stability: By providing a smooth surface, articular cartilage contributes to the overall stability of the joint, ensuring that bones stay properly aligned during movement.
- Facilitating Movement: The smooth texture of articular cartilage allows for ease of movement in joints, making it essential for fluid motion and coordination.
In summary, articular cartilage is vital for maintaining the health and function of joints, protecting the bones, and enabling smooth movements. Without it, joint pain and stiffness often occur, leading to conditions like osteoarthritis.