Fig. 5From: Identification of arthropathy and myopathy of the temporomandibular syndrome by biomechanical facial featuresMarker positioning on the face of each individual: a frontal view, b sagittal view. The primary marker was placed on an S-shaped metal rod. The secondary markers were placed as follows: 1 on the forehead, 1 at each side of the temporomandibular joint, 2 at each side of the jawbone, and 1 in the middle of the labial philtrumBack to article page