The influence of first ray mobility on forefoot plantar pressure and hindfoot kinematics during walking

Mark W Cornwall, Thomas G. McPoil, William D. Fishco, Deborah O'Donnell, Lea Hunt, Camilla Lane

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Background: Hypomobility and hypermobility of the first ray have been implicated in the literature as a primary cause of mechanical foot problems because of proposed obligatory and compensatory movements. Despite these theoretical links, research is sparse regarding the effect on kinematic and plantar pressure patterns as a result of altered first ray mobility. The purpose of this study was to determine whether hypomobility or hypermobility of the first ray alters hindfoot kinematics or the distribution of plantar pressures during walking. Methods: The magnitude of dorsal first ray mobility in 82 individuals was measured and then classified as being hypomobile, normal, or hypermobile. The plantar pressure under the first and second metatarsal heads, as well as hindfoot kinematics during walking, were then compared between the three categories of first ray mobility. Results: The results of this study indicate that those feet with a hypomobile first ray had significantly decreased plantar force and pressure values under the first metatarsal compared to the second metatarsal. In addition, feet with a hypomobile first ray showed significantly more hindfoot eversion compared to those with either normal or hypermobile first rays. Conclusion: The results of this study do not support the common theoretical implications of altered mobility of the first ray related to plantar pressure and hindfoot kinematics.

Original languageEnglish (US)
Pages (from-to)539-547
Number of pages9
JournalFoot and Ankle International
Volume27
Issue number7
StatePublished - Jul 2006

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Biomechanical Phenomena
Walking
Metatarsal Bones
Pressure
Foot
Research

Keywords

  • First Ray
  • Hindfoot Kinematics
  • Hypermobility
  • Hypomobility
  • Plantar Pressure
  • Walking

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

Cite this

The influence of first ray mobility on forefoot plantar pressure and hindfoot kinematics during walking. / Cornwall, Mark W; McPoil, Thomas G.; Fishco, William D.; O'Donnell, Deborah; Hunt, Lea; Lane, Camilla.

In: Foot and Ankle International, Vol. 27, No. 7, 07.2006, p. 539-547.

Research output: Contribution to journalArticle

Cornwall, MW, McPoil, TG, Fishco, WD, O'Donnell, D, Hunt, L & Lane, C 2006, 'The influence of first ray mobility on forefoot plantar pressure and hindfoot kinematics during walking', Foot and Ankle International, vol. 27, no. 7, pp. 539-547.
Cornwall, Mark W ; McPoil, Thomas G. ; Fishco, William D. ; O'Donnell, Deborah ; Hunt, Lea ; Lane, Camilla. / The influence of first ray mobility on forefoot plantar pressure and hindfoot kinematics during walking. In: Foot and Ankle International. 2006 ; Vol. 27, No. 7. pp. 539-547.
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