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Human Body & Health

Why does knee cartilage exhibit increased damage risk under high compressive loads during weightlifting with improper form?

A)Reduced chondrocyte metabolic waste removal
B)Increased synovial fluid viscosity reduces lubrication
C)Elevated hydrostatic pressure inhibits cartilage repair
D)Non-uniform stress exceeds cartilage yield strength

💡 Explanation

Cartilage damage increases because non-uniform loading concentrates stress, exceeding the yield strength in certain areas, leading to microfractures. Therefore, localized mechanical failure occurs rather than hydrostatic pressure inhibiting repair or waste removal reducing metabolic function throughout.

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