Psychology and Physiotherapy Approach of Chronic Pain in Patients With Hemophilia

Inclusion Criteria: * Diagnosis of haemophilia A or B. * Age between 18 and 60 years. * Informed consent signed. * Signs of arthropathy according to clinical criteria (score Gilbert) and / or radiological criteria (score Pettersson) in at least one of the six joints most commonly affected (ankles, knees or elbows) * Chronic pain (CP) defined as persistent pain lasting at least six months and resistant to conventional medical therapy. It differs from the acute pain not only in its longer duration, but also sometimes persists even after the cause that produced it has disappeared. * Absence of active coping strategies, understanding the concept of coping as those cognitive and behavioral efforts made by the individual in order to manage internal and external demands generated by their chronic pain condition and that involve a challenge to their potential individual resources. Exclusion Criteria: * Presence of inhibitor to FVIII or FIX. * Another haemostatic defect. * Patients with severe cognitive deficits with which it is not possible a cognitive psychological intervention. * The inability to attend physiotherapy sessions for 12 consecutive weeks (7 supervised and 31 self-monitored) * Surgical procedures performed 6 weeks prior or during the intervention protocol. * Not acceptance or withdrawal of informed consent