Mild Pes Planus
The B Quad foot type is a mildly over-pronated foot type with the following features:
- Mildly inverted or vertical heel alignment.
- Valgus or everted forefoot alignment.
- Low to medium arch.
- Pronation through Midstance and then resupinates in propulsion through the 1st and 2nd Metatarsal.
- May be found unilateral and may be associated with a structural leg length discrepancy.
- Calluses may form to the 1st metatarsal and 2nd metatarsal.
- Approximate presentation in US population is 7%.
The Quad B foot-type is a rarely occurring combined foot deformity, that is a mildly over-pronated foot due to a compensated rearfoot varus deformity, but the over pronation is deterred or minimized by a forefoot valgus deformity.
CHILD PRESENTATION: Usually presents as an intoeing or leg length discrepency gait. Not very common.
WALKING PATTERN: Walks pigeon-toed (toes turned in) or the feet point relatively straght ahead with a narrow base of support like a tightrope walker.
POSSIBLE CLINICAL SYMPTOMS:
- Plantarflexed or Hypermobile 1st Ray.
- Heel Pain
- Low Back Pain
- Hip Pain
- May occur with leg length discrepancies
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