Reducing joint loading in medial knee osteoarthritis: shoes and canes

Kemp, Georgina, Crossley, Kay M., Wrigley, Tim V., Metcalf, Ben R. and Hinman, Rana S. (2008) Reducing joint loading in medial knee osteoarthritis: shoes and canes. Arthritis Care and Research, 59 5: 609-614. doi:10.1002/art.23578


Author Kemp, Georgina
Crossley, Kay M.
Wrigley, Tim V.
Metcalf, Ben R.
Hinman, Rana S.
Title Reducing joint loading in medial knee osteoarthritis: shoes and canes
Journal name Arthritis Care and Research   Check publisher's open access policy
ISSN 2151-464X
2151-4658
Publication date 2008-05
Sub-type Article (original research)
DOI 10.1002/art.23578
Volume 59
Issue 5
Start page 609
End page 614
Total pages 6
Place of publication Hoboken, NJ United States
Publisher John Wiley and Sons
Language eng
Formatted abstract
Objective
Increased medial knee loading is associated with a much higher risk of disease progression in knee osteoarthritis (OA). Interventions that can reduce medial knee joint load have the potential to slow disease progression over time. We evaluated the effects of shoes and a cane on knee load in people with knee OA.
Methods
Forty people with medial knee OA underwent 3-dimensional gait analysis to measure their peak knee adduction moment, an indicator of medial knee joint load. Results when walking in bare feet were compared with those obtained when walking in their own usual shoes. Twenty participants also underwent testing using a cane, and results were compared with walking unaided.
Results
Compared with barefoot, walking in shoes was associated with a significant increase in the peak knee adduction moment (mean ± SD N × m/BW × H% 3.49 ± 0.84 versus 3.77 ± 0.90; P < 0.001), although there was considerable individual variation. The use of a cane resulted in a 10% decrease in the knee adduction moment (mean ± SD N × m/BW × H% 3.76 ± 0.95 versus 3.38 ± 0.68; P = 0.001).
Conclusion
Wearing shoes increases medial knee joint load compared with walking barefoot. Given the variable response to shoes observed, further research is required to ascertain which shoe types might be optimal for those with knee OA. The use of a cane significantly reduces medial knee loading and has the potential to reduce the risk of disease progression in knee OA.
Keyword Adduction Moment
Torques Relevant
Tibial Osteotomy
Heeled Shoes
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Health and Rehabilitation Sciences Publications
 
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