Ultrasonography Assessment of Peripheral Entheses in Axial Spondyloarthritis and in Healthy Subjects, Athletes or Not

Ultrasonography Assessment of Peripheral Entheses in Axial Spondyloarthritis and in Healthy Subjects, Athletes or Not.

Purpose:

• Assessment of ultrasound MASEI index in axial spondyloarthritis and in healthy subjects, athletes or not
• Comparison of the ultrasound semiology of enthesitis in the 3 populations
• Comparison of the MASEI scores in the 3 populations

Inclusion Criteria:

• - Axial spondyloarthritis according to the ASAS classification criteria
• 18-45 years old
• Athletes are defined by sport activities greater than or equal to 6 hours per week
• Non athletes are defined by sport activities lesser than or equal to 1 hour per week

Exclusion Criteria:

• - History of heel or ankle surgery
• Recent corticosteroid infiltration of the heel or the ankle