Foot (Edinburgh, Scotland) · 2021
Investigating the effects of conventional thermoplastic ankle-foot and the neoprene ankle-foot orthoses on the kinetics and kinematics of gait in people with foot drop following traumatic injury of the peroneal nerve: A pilot study.
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Esfandiari Elnaz, Saeedi Hassan, Ahmadi Amir, Jalali Maryam, Mohammad Pour Afsaneh, Abdollah Vahid
Аннотация
BACKGROUND: Adopting compensatory walking mechanisms by people with foot drop due to traumatic injury of the peroneal nerve costs altered gait kinetics and kinematics. Therefore, orthoses are generally recommended to minimize the deployment of compensatory gait mechanisms.
OBJECTIVES: To investigate the immediate effects of a low-cost, Neoprene Ankle-Foot Orthosis (NAFO) and the thermoplastic ankle-foot orthosis (AFO) with the shoe-only condition on kinematics and kinetics of gait of people with foot drop following peroneal nerve traumatic injury.
METHODS: Seven people with foot drop due to traumatic injury of the peroneal nerve were included in this study. The gait kinematics and kinetics of the participants were investigated in three different conditions: shoe-only, AFO + shoe, and NAFO + shoe using a six-camera, motion-analysis system, and a force platform. A Friedman two-way ANOVA by ranks model was employed to compare different testing conditions.
RESULTS: The ankle angle at the initial contact was significantly different between shoe-only condition and AFO (p < 0.00). The plantarflexion angle in both orthotic designs was reduced significantly compared to the shoe-only condition (p < 0.00). The maximum ankle dorsiflexion angle during the stance phase and maximum knee flexion angle during the stance and swing phases were not statistically significant for all testing conditions (p > 0.00). A significant difference was observed for the 1st-rise of the ground reaction force's vertical component between the NAFO and the AFO (p < 0.00). Likewise, a significant difference was observed for the 2nd-rise of the ground reaction force's vertical component between the NAFB and the AFO (p < 0.00).
CONCLUSION: Both orthotic interventions could control the ankle-foot complex during the gait and reduce the employment of compensatory gait mechanisms.
OBJECTIVES: To investigate the immediate effects of a low-cost, Neoprene Ankle-Foot Orthosis (NAFO) and the thermoplastic ankle-foot orthosis (AFO) with the shoe-only condition on kinematics and kinetics of gait of people with foot drop following peroneal nerve traumatic injury.
METHODS: Seven people with foot drop due to traumatic injury of the peroneal nerve were included in this study. The gait kinematics and kinetics of the participants were investigated in three different conditions: shoe-only, AFO + shoe, and NAFO + shoe using a six-camera, motion-analysis system, and a force platform. A Friedman two-way ANOVA by ranks model was employed to compare different testing conditions.
RESULTS: The ankle angle at the initial contact was significantly different between shoe-only condition and AFO (p < 0.00). The plantarflexion angle in both orthotic designs was reduced significantly compared to the shoe-only condition (p < 0.00). The maximum ankle dorsiflexion angle during the stance phase and maximum knee flexion angle during the stance and swing phases were not statistically significant for all testing conditions (p > 0.00). A significant difference was observed for the 1st-rise of the ground reaction force's vertical component between the NAFO and the AFO (p < 0.00). Likewise, a significant difference was observed for the 2nd-rise of the ground reaction force's vertical component between the NAFB and the AFO (p < 0.00).
CONCLUSION: Both orthotic interventions could control the ankle-foot complex during the gait and reduce the employment of compensatory gait mechanisms.