(a) Identify two functions of cartilage found at a synovial joint. [2] (b) Explain why the joint capsule is important for a performer during physical activi...
Question 1 Report
(a) Identify two functions of cartilage found at a synovial joint. [2]
(b) Explain why the joint capsule is important for a performer during physical activity. [2]
Answer Details
(a) Two functions of cartilage at a synovial joint:
- Absorbs shock and cushions the bones. During activities such as running or jumping, cartilage acts as a buffer between the bone ends, preventing jarring and protecting the joint from impact damage. [1]
- Reduces friction between bones. The smooth surface of articular cartilage allows the bone ends to glide over each other during movement, enabling pain-free and efficient motion. [1]
(b) The joint capsule is important during physical activity because it surrounds and encloses the entire joint, forming a sealed space that holds the synovial fluid in position. [1] This keeps the joint stable during vigorous movements such as twisting, jumping, or rapid changes of direction, preventing the bones from dislocating while still permitting a full range of motion. [1]
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