The effect of acute plantar flexor muscles fatigue on postural control of upright stance in people with chronic low back pain.

Purpose: This study aimed to investigate the differences in postural control effects due to plantar flexor fatigue between individuals with chronic low back pain (CLBP) and healthy controls.

Method: A total of 36 individuals with CLBP and 36 healthy participants took part in the study. Postural stability was evaluated using a force plate before and after a fatigue protocol that involved heel raises.