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← Human Body & HealthWhich 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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