Clinical improvement in functional hallux limitus using a cut-out orthosis

NewsBot · Sep 27, 2014

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Clinical improvement in functional hallux limitus using a cut-out orthosis
Ricardo Becerro de Bengoa Vallejo, Rubén Sanchez Gómez' Marta Elena Losa Iglesias
Prosthet Orthot Int September 26, 2014

Background: Functional hallux limitus (FHL) has been implicated in the development of metatarsophalangeal joint osteoarthritis.
Objectives: To determine whether cut-out orthosis treatment increases plantarflexion of the first metatarsal by increasing its declination angle.
Study design: Cross-sectional study.
Methods: A total of 46 female volunteers with an average age of 25.66 ± 5.70 years (range: 19–42 years) and FHL participated in the study. We assessed the degrees of movement of the first metatarsal and proximal phalanx bones at the first metatarsophalangeal joint without and while wearing the cut-out orthosis using the 3Space Fastrak® via sensors.
Results: The movement of the plantarflexión declination angle of the first metatarsal bone was higher using the orthosis 29.84° ± 5.98° versus without orthosis 27.69° ± 5.91° (p < 0.031°). Use of sandals may have minimized the magnitude of movement changes associated with orthosis versus non-orthosis use.
Conclusion: The cut-out orthosis demonstrated a beneficial effect on non-fixed first metatarsophalangeal and metatarsal cuneiform joints affected by FHL, significantly increasing the declination of the metatarsal angle. Furthermore, use of the cut-out orthosis significantly reduced adduction movement of the first metatarsal bone in the transverse plane.
Clinical relevance The cut-out orthosis demonstrated a beneficial effect on non-fixed first metatarsophalangeal and metatarsal cuneiform joints affected by FHL, significantly increasing the declination of the metatarsal angle. Furthermore, use of the cut-out orthosis significantly reduced adduction movement of the first metatarsal bone in the transverse plane.
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Admin2 · Sep 27, 2014

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