Spondyloarthritis & psoriatic arthritis
Maximal Exercise Tolerance, Objective Trunk Strength, and Mobility Measurements in Axial Spondyloarthritis
Authors' conclusion
In patients with axSpA, strength is more affected than mobility when compared to healthy controls. Likewise, mainly the metabolic component of aerobic capacity is impaired, affecting cardiopulmonary fitness.
Study context
- Population
- Patients with axial spondyloarthritis (axSpA) (mean age 40.8 yrs, 50% male, mean symptom duration 10.3 yrs)CPET in 25
- Participants
- 58 patients
- Exposure
- axSpA vs healthy reference data; radiographic vs nonradiographic axSpA
- axSpAn = 58
- Outcome
- Trunk strength, spinal mobility and cardiorespiratory fitness
Methodological detailscomparison with healthy reference data
- Comparison with healthy reference data
Main finding
As reported in the abstract
- Strength significantly lower in axSpA vs reference
- P ≤ 0.02
- Mobility significantly lower in axSpA vs reference
- P ≤ 0.001
Observational data: associations, not effects.
Further findings
Radiographic vs nonradiographic axSpA
- Strength deficits comparable between radiographic and nonradiographic groups
- P > 0.05
- Except trunk extension strength
- P = 0.03
- Higher mobility deficit in radiographic group: cervical extension
- P = 0.02
- Higher mobility deficit in radiographic group: cervical rotation
- P = 0.01
- Higher mobility deficit in radiographic group: trunk extension
- P = 0.03
- Higher mobility deficit in radiographic group: trunk rotation
- P = 0.03
- Regardless of symptom duration
Effect of symptom duration on cardiopulmonary variables
- Symptom duration positively affected oxygen pulse
- P = 0.03
- Symptom duration positively affected relative anaerobic threshold
- P = 0.02
- Symptom duration positively affected aerobic capacity
- P = 0.02
Original publication
Maximal Exercise Tolerance, Objective Trunk Strength, and Mobility Measurements in Axial Spondyloarthritis. J Rheumatol. Published 15 March 2024. doi:10.
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