Strength Training Is Associated With Less Knee Osteoarthritis: Data From the Osteoarthritis Initiative
Authors' conclusion
Strength training is beneficial for future knee health, counteracting long-held assumptions that strength training has adverse effects.
Study context
- Population
- Osteoarthritis Initiative (OAI) participants with complete data on strength training, knee pain and radiographic evidence of knee osteoarthritis (OA) (male, 44.2%; mean ± SD age 64.3 ± 9.0 years; mean ± SD BMI 28.5 ± 4.9 kg/m²)
- Participants
- 2,607 participants
- Exposure
- History of strength training any time in life vs no strength training
- Outcome
- Radiographic OA (ROA), symptomatic radiographic OA (SOA) and frequent knee pain
Methodological detailsretrospective, within the Osteoarthritis Initiative (multicenter prospective longitudinal observational study), four OAI clinical sites, self-administered questionnaire at the 96-month OAI visit
- Retrospective
- Within the Osteoarthritis Initiative (multicenter prospective longitudinal observational study)
- Four OAI clinical sites
- Self-administered questionnaire at the 96-month OAI visit
Main finding
As reported in the abstract
Frequent knee pain, ROA and SOA (fully adjusted)
Each group vs no strength trainingEstimate (95% CI)
Strength training
aOR (frequent knee pain) 0.82(0.68–0.97)
Strength training
aOR (ROA) 0.83(0.70–0.99)
Strength training
aOR (SOA) 0.77(0.63–0.94)
Observational data: associations, not effects.
Further findings
Strength training in specific age ranges
- Findings were similar when looking at the specific age ranges
Original publication
Strength Training Is Associated With Less Knee Osteoarthritis: Data From the Osteoarthritis Initiative. Arthritis Rheumatol. Published 25 December 2023. doi:10.
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