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Human Body & Health

Which physiological effect occurs with long-term Achilles tendon micro-tears?

A)Increased collagen fibril cross-linking
B)Decreased tensile failure strength
C)Elevated tenocyte protein synthesis
D)Reduced glycosaminoglycan water retention

💡 Explanation

Reduced strength happens because of deficient healing from repeated stress disrupting collagen alignment; this causes a loss of organized tendon structure rather than increased cross-linking. Therefore ultimate resistance to tensile load decreases rather than increases compared to homeostatic levels.

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