Tendon Structure and Treatment

Tendons are dense connective tissues that transfer force from muscle to bone, relying on a precisely organized extracellular matrix of collagen fibers to withstand repeated mechanical loads without failing. When that matrix degrades—through overuse, aging, or inadequate recovery—the result is tendinopathy, a painful and often persistent condition that affects athletes and sedentary adults alike and accounts for a substantial share of musculoskeletal clinic visits. Researchers are working to understand how mechanical signals regulate the behavior of tendon stem cells and the production of growth factors, and whether interventions like platelet-rich plasma can meaningfully accelerate repair or merely flood damaged tissue with signals it can no longer interpret. A particularly active question concerns the enthesis, the specialized transition zone where tendon meets bone, whose graded structure is notoriously difficult to regenerate after rupture and remains a limiting factor in surgical outcomes.

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Keywords

TendonExtracellular MatrixMechanical LoadingStem CellsGrowth FactorsTendinopathy