Predicting gait adaptations due to ankle plantarflexor muscle weakness and contracture using physics-based musculoskeletal simulations
Deficits in the ankle plantarflexors are thought to contribute to abnormal walking patterns. To study how, Ong et al. used computer simulations to systematically introduce muscle deficits in a biomechanically accurate model. They found that severe weakness of the ankle plantarflexors caused the model to adopt a slower, “heel-walking” gait, and severe tightness caused it to adopt a crouched, “toe-walking” gait.
Image credit: Ong et al, pcbi.1006993.