Hi, Im Eron From Kosovo, 4 Weeks Ago I Had

Hi, Im Eron from Kosovo, 4 weeks ago I had an accident where I lacerated my index finger with glass it lacerated the bottom muscle of the finger and i had to get stitches the doctor said it didn't cut the tendons or break any bones 4 weeks have passed and the wound has completely healed but I still cant bend or stretch my finger easily is this normal or should I consult with a doctor