Figure 3. The angle (Q) between the effective (rotational) torque about the temporomandibular joint (Te) and the theoretical force output from the muscle fibre (Tf) at gape angles from occlusion to maximal inferred gape in: A, deep masseter + zygomaticomandibularis fibre 1; B, deep masseter + zygomaticomandibularis fibre 2; C, deep masseter + zygomaticomandibularis fibre 3; D, deep masseter + zygomaticomandibularis fibre 4; E, deep masseter + zygomaticomandibularis fibre 5; F, superficial masseter