Trigger finger is a pain condition that is characterized by catching or pain when the finger is flexed or straightened. It mostly occurs in the thumb, middle finger and ring finger. Repeated flexion and extension causes strain and swelling of the finger muscles which increases the friction when the tendon passes along the tendon sheath, resulting in inflammation, tissue proliferation and restriction of finger movement. 

O2 physiotherapists use manual therapy and acupuncture to relax the forearm muscles. Together with stretching and strengthening exercises to solve the problem.