Intensity-Dependent Effect of Treadmill Running on Knee Articular Cartilage in a Rat Model

Table 1

Cartilage thickness, chondrocyte number, and GAG content in four groups.

	SED	LIR	MIR	HIR
Cartilage thickness (𝜇m)	171.61±52.19	210.88±55.71^∗#	232.47±65.39^∗#	161.65±43.39
Chondrocyte number	88.67±23.62	149.67±28.99^∗#	130.67±10.23^∗#	73.17±9.66
GAG content	0.086±0.016	0.134±0.032^∗	0.138±0.023^∗	0.077±0.019

^∗𝑃<0.05 compared to SED group; ^#𝑃<0.05 compared to HIR group.