Functional Hallux Limitus

Posted by | December 16, 2010 | Podiatry Issues

Functional hallux limitus is allegedly a common problem, but it is not without its controversy. Functional hallux limitus is defined as a full range of motion available at the first metatarsophalangeal joint when the foot is non-weight bearing, but during weight bearing in those with functional hallux limitus the joint does not achieve its full range of motion. The reason that functional hallux limitus is controversial is because of the nature of the cause of functional hallux limitus. One school of thought is that functional hallux limitus is that functional reduction in the range of motion is due to excessive pronation of the rearfoot, putting the first ray in a relatively dorsiflexed position. This will limit the range of motion at the first metatarsophalangeal joint. The other school of thought is that functional hallux limitus is primary and that the limitation is responsible for the excessive pronation of the rearfoot. There are theoretical arguments for both causes of functional hallux limitus, but no evidence yet for either. The treatment of functional hallux limitus is top facilitate motion at the first metatarsophalangeal joint by plantarflexing the first ray.

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