Inclusion Criteria:  Group 1 : Major patient Diagnosis of diffuse or limited cutaneous systemic sclerosis according to the new ACR/EULAR criteria Cochin hand score less than or equal to 16 Group 2 : Major patient Diagnosis of diffuse or limited cutaneous systemic sclerosis according to the new ACR/EULAR criteria Cochin hand score greater than 16.  Exclusion Criteria:  Overlap syndrome (Sharp or scleromyositis 2) Patient with another autoimmune disease History of surgery or trauma to the hand with proven functional sequelae Presence of synovitis Patient with Dupuytren's disease