Lumbar fascia; Paraspinal tissues; Stiffness; Hydration; Stretching

Strain hardening of fascia: Static stretching of dense fibrous connective tissues can induce a temporary stiffness increase accompanied by enhanced matrix hydration

This study investigated why fascia sometimes gets stiffer after being stretched and then rested, a phenomenon called strain hardening. Researchers stretched fascia samples from mice and pigs, finding that after a 15-min…