Plantar flexion resistance alters knee flexion, foot strike in stroke patients

By Jordana Bieze Foster Increasing the plantar flexion resistance of an ankle foot orthosis (AFO) reduces knee hyperextension and changes foot strike pattern during gait in chronic stroke patients, according to research presented in February at the AAOP meeting in New Orleans. A multicenter team of investigators assessed 10 patients (two women), who were an average of six years poststroke, as they walked while wearing an experimental AFO with a steel-spring design that adjusts for different degrees of plantar flexion resistance. Increasing the resistance of the AFO was associated with a systematic response involving increased knee flexion during gait and a shift from a forefoot strike pattern to a rearfoot strike pattern

By Jordana Bieze Foster Increasing the plantar flexion resistance of an ankle foot orthosis (AFO) reduces knee hyperextension and changes foot strike pattern during gait in chronic stroke patients, according to research presented in February at the AAOP meeting in New Orleans. A multicenter team of investigators assessed 10 patients (two women), who were an average of six years poststroke, as they walked while wearing an experimental AFO with a steel-spring design that adjusts for different degrees of plantar flexion resistance. Increasing the resistance of the AFO was associated with a systematic response involving increased knee flexion during gait and a shift from a forefoot strike pattern to a rearfoot strike pattern

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Plantar flexion resistance alters knee flexion, foot strike in stroke patients