Understanding Cartilage and Arthritis in the Knee

The video tutorial explains the anatomy of the knee, focusing on the patellar tendon, patella, and articular cartilage. It describes how articular cartilage functions to reduce friction between bones and discusses the condition of arthritis, which occurs when cartilage wears out. The tutorial highlights the medial aspect of the knee, showing how cartilage wear leads to an arthritic knee.

What is the primary function of the patellar tendon in the knee?

• To support the body's weight during standing

• To facilitate smooth movement of the knee

• To protect the knee joint from injury

• To connect the thigh bone to the shin bone

What characteristic of articular cartilage helps in reducing friction?

• Its rough texture

• Its ability to absorb shock

• Its smooth and glossy surface

• Its flexibility

What happens when articular cartilage wears out?

• It causes the bones to fuse together

• It results in arthritis

• It enhances joint movement

• It leads to increased flexibility

Which part of the knee is affected in arthritis as mentioned in the video?

• The lateral aspect

• The anterior aspect

• The medial aspect

• The posterior aspect

What is the condition called when the knee's cartilage is worn out?

• Osteoporosis

• Tendinitis

• Bursitis

• Arthritis