1. mild (unever movement during flexion/extension) 2. moderate (active correctable, interfere with normal hand function) 3. severe (passive correctable) 4. lock (fixed in flexion) or extension
1. mild (unever movement during flexion/extension) 2. moderate (active correctable, interfere with normal hand function) 3. severe (passive correctable) 4. lock (fixed in flexion) or extension