| 초록 |
Objective: The purpose of this study was to investigate the acute effect of walking on high heels on the behavior of fascicle length and activation of the lower limb muscles. Methods: Twelve healthy inexperienced high heel wearers (age: $23.1{ pm}2.0yr$ , height: $162.4{ pm}4.9cm$ , weight: $54.4{ pm}8.5kg$ ) participated in this study. They walked in high heels (7 cm) and barefoot on a treadmill at their preferred speed. During the gait analysis, the lower limb joint kinematics were obtained using a motion analysis system. In addition, the changes in fascicle length and the level of activation of the medial gastrocnemius (MG) were simultaneously monitored using a real-time ultrasound imaging technique and surface electromyography, respectively. Results: The results of this study show that the MG fascicle operates at a significantly shorter length in high heel walking ( $37.64{ pm}8.59mm$ to $43.99{ pm}8.66mm$ ) in comparison with barefoot walking ( $48.26{ pm}9.02mm$ to $53.99{ pm}8.54mm$ ) (p |
