Tabulation of the difference between the constructs of forefoot varus and forefoot supinatus:
Forefoot Varus | Forefoot Supinatus | |
---|---|---|
Appearance: | Forefoot inverted relative to rearfoot when subtalar joint is in its neutral positions and the midtarsal is full pronated | Forefoot inverted relative to rearfoot when subtalar joint is in its neutral positions and the midtarsal is full pronated |
Cause: | Congenital | Acquired |
Tissue: | Osseous | Soft Tissue |
"Overpronation": | Causes "overpronation" | Caused by "overpronation" |
Treatment: | Not correctable | Correctable |
Orthotic Design Features: | Medial forefoot posting | No medial forefoot posting |
Both forefoot varus and forefoot supinatus have a similar appearance but are both very different pathomechanical entities. Confusion between the two can lead to poor clinical decisions and research that is meaningless.
The differential between the two is generally done with the person standing and the subtalar joint placed in the defined neutral position and held there while attempting to plantarflex the medial column to the ground. A forefoot supinatus will move more than a forefoot varus and have a different end range feel due to it being a soft tissue issue.
External Links:
Forefoot varus (Podiatry Arena)
Forefoot Varus/Invertus/Supinatus (Podiatry Arena)
The effect of forefoot varus on the hip and knee and the effect of the hip and knee on forefoot supinatus … (Running Research Junkie)
Related Topics:
Forefoot supinatus | Forefoot-rearfoot relationship | Forefoot Invertus / Inverted Forefoot | Forefoot Valgus | Dorsiflexed first ray / metatarsus primus elevatus | Forefoot Posting | Forefoot to Rearfoot Relationship | Research About Forefoot Varus
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