This mans ability to walk is impeded by his shoelaces.
An example of impede is when a road block stops the flow of traffic.
transitive verbim·ped·ed, im·ped·ing, im·pedes
Origin of impedeLatin impedīre; see ped- in Indo-European roots.
(third-person singular simple present impedes, present participle impeding, simple past and past participle impeded)
- to get in the way of; to hinder