BackgroundThe lower limb spasticity after stroke can affect the balance and gait of patients with stroke. ObjectiveThe aim of this study is to assess the effects of ankle plantar flexor spasticity level on balance in patients with stroke. MethodsPatients with stroke were recruited from neurology and physiotherapy clinics in Tehran, Iran. Based on the level of ankle plantar flexor spasticity according to the Modified Modified Ashworth Scale (MMAS), the eligible patients with stroke were divided into 2 groups: high spasticity (MMAS score≥2) and low spasticity (MMAS score