<prompt> Trigger finger occurs in -a Rheumatoid athritisb Traumac Osteosarcomad Osteoarthritisacabadbc  <response>: More common in people with certain medical problems, e.g. Diabetes, Rheumatoid arthritis, Gout, renal disease, Collagen vascular diseases, Dupuytrens disease.Local trauma is a risk factorActivities with power grip causes shearing edges of the Al pulley Pulley of flexor tendon at metacarpophalangeal jointRecent surgery 