Table 1.

The effects of high-intensity and short-duration or low-intensity and long-duration stretching on DF ROM, passive torque at DF ROM, and shear elastic modulus.

	HS condition		LL condition
	PRE	POST	PRE	POST
DF ROM (°)	26.0 ± 9.7	32.1 ± 11.2*,#	24.5 ± 8.1	28.2 ± 8.5*
Change (%)	25.7 ± 19.9†		16.0 ± 11.8
Passive torque at DF ROM (Nm)	29.7 ± 13.2	35.6 ± 15.8*	29.3 ± 11.2	31.4 ± 12.5*
Change (%)	22.9 ± 40.5		6.9 ± 10.8
Shear elastic modulus of MG (kPa)	21.8 ± 15.7	13.8 ± 8.6*	22.8 ± 12.5	13.9 ± 8.4*
Change (%)	−38.8 ± 14.5†		−22.2 ± 33.8

HS, high-intensity and short-duration; LL, low-intensity and long-duration; PRE, before stretching intervention; POST, after stretching intervention; DF ROM, dorsiflexion range of motion; MG, medial gastrocnemius; data presented as mean ± standard deviation.

^*p < 0.05 significant difference between PRE and POST.

^#p < 0.05 significant difference between POST at high-intensity and short-duration and low-intensity and long-duration.

^†p < 0.05 significant difference between conditions.