Middle age male fell down on his elbow and develop pain which is the early manifestation but: The fat pad sign is a sign that is sometimes seen on lateral radiographs

Middle age male fell down on his elbow and develop pain which is the early manifestation (I can not
remember) but: The fat pad sign is a sign that is sometimes seen on lateral radiographs of the elbow following trauma. Elevation of the anterior and posterior fat pads of the elbow joint suggests the presence of an occult fracture.
a) Anterior Pad sign.
b) Posterior Pad sign.