Effects of Ankle-Foot Orthoses on Ankle and Foot Kinematics in Patient With Ankle Osteoarthritis

Yu Chi Huang, Kimberly Harbst, Brian Kotajarvi, Diana Hansen, Matthew F. Koff, Harold B. Kitaoka, Kenton R Kaufman

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Huang Y-C, Harbst K, Kotajarvi B, Hansen D, Koff MF, Kitaoka HB, Kaufman KR. Effects of ankle-foot orthoses on ankle and foot kinematics in patient with ankle osteoarthritis. Objective: To determine if different foot orthoses have a similar effect on foot kinematics in subjects with ankle osteoarthritis (OA) when walking on various ground conditions. Design: Within-subject comparisons study. Setting: Biomechanics research laboratory. Participants: Thirteen subjects with unilateral ankle OA. Interventions: Custom-made ankle-foot orthosis (AFO), rigid hindfoot orthosis (HFO-R), and articulated hindfoot orthosis (HFO-A) were used by subjects when walking on level, ascending and descending ramp, and side-slope conditions. Main Outcome Measures: The range of motion of the hindfoot (calcaneus relative to tibia) and forefoot (metatarsal relative to calcaneus) was measured using an 8-camera motion analysis system. Results: The AFO and HFO-R provided the best sagittal plane hindfoot motion restriction over all ground conditions (P<.001). The HFO-R allowed the greatest sagittal plane forefoot motion when walking over level (P=.01) and side-slope (P<.02) conditions, the greatest frontal plane forefoot motion walking down the ramp (P=.003), and the greatest transverse plane forefoot motion when walking over level (P=.011) and ramp-ascending conditions (P=.005). The HFO-A restricted motion of the unaffected joint and did not effectively restrict hindfoot motion. Conclusions: The HFO-R not only provides selective restriction to the ankle-hindfoot motion, but also allows sufficient forefoot motion compared with the AFO. We consider the HFO-R to be the best option of all tested orthoses for treating patients with ankle OA pain arising from ankle motion.

Original languageEnglish (US)
Pages (from-to)710-716
Number of pages7
JournalArchives of Physical Medicine and Rehabilitation
Volume87
Issue number5
DOIs
StatePublished - May 2006

Fingerprint

Foot Orthoses
Biomechanical Phenomena
Ankle
Osteoarthritis
Foot
Orthotic Devices
Walking
Architectural Accessibility
Calcaneus
Metatarsal Bones
Articular Range of Motion
Tibia

Keywords

  • Ankle
  • Orthotic devices
  • Osteoarthritis
  • Range of motion, articular
  • Rehabilitation

ASJC Scopus subject areas

  • Rehabilitation

Cite this

Effects of Ankle-Foot Orthoses on Ankle and Foot Kinematics in Patient With Ankle Osteoarthritis. / Huang, Yu Chi; Harbst, Kimberly; Kotajarvi, Brian; Hansen, Diana; Koff, Matthew F.; Kitaoka, Harold B.; Kaufman, Kenton R.

In: Archives of Physical Medicine and Rehabilitation, Vol. 87, No. 5, 05.2006, p. 710-716.

Research output: Contribution to journalArticle

Huang, Yu Chi ; Harbst, Kimberly ; Kotajarvi, Brian ; Hansen, Diana ; Koff, Matthew F. ; Kitaoka, Harold B. ; Kaufman, Kenton R. / Effects of Ankle-Foot Orthoses on Ankle and Foot Kinematics in Patient With Ankle Osteoarthritis. In: Archives of Physical Medicine and Rehabilitation. 2006 ; Vol. 87, No. 5. pp. 710-716.
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AU - Kitaoka, Harold B.

AU - Kaufman, Kenton R

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AB - Huang Y-C, Harbst K, Kotajarvi B, Hansen D, Koff MF, Kitaoka HB, Kaufman KR. Effects of ankle-foot orthoses on ankle and foot kinematics in patient with ankle osteoarthritis. Objective: To determine if different foot orthoses have a similar effect on foot kinematics in subjects with ankle osteoarthritis (OA) when walking on various ground conditions. Design: Within-subject comparisons study. Setting: Biomechanics research laboratory. Participants: Thirteen subjects with unilateral ankle OA. Interventions: Custom-made ankle-foot orthosis (AFO), rigid hindfoot orthosis (HFO-R), and articulated hindfoot orthosis (HFO-A) were used by subjects when walking on level, ascending and descending ramp, and side-slope conditions. Main Outcome Measures: The range of motion of the hindfoot (calcaneus relative to tibia) and forefoot (metatarsal relative to calcaneus) was measured using an 8-camera motion analysis system. Results: The AFO and HFO-R provided the best sagittal plane hindfoot motion restriction over all ground conditions (P<.001). The HFO-R allowed the greatest sagittal plane forefoot motion when walking over level (P=.01) and side-slope (P<.02) conditions, the greatest frontal plane forefoot motion walking down the ramp (P=.003), and the greatest transverse plane forefoot motion when walking over level (P=.011) and ramp-ascending conditions (P=.005). The HFO-A restricted motion of the unaffected joint and did not effectively restrict hindfoot motion. Conclusions: The HFO-R not only provides selective restriction to the ankle-hindfoot motion, but also allows sufficient forefoot motion compared with the AFO. We consider the HFO-R to be the best option of all tested orthoses for treating patients with ankle OA pain arising from ankle motion.

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KW - Range of motion, articular

KW - Rehabilitation

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