<unk>  or<unk> 's<unk>  of movement refers to the range of motion of the lower jaw bone, or mandible. This<unk>  was first described by Ulf<unk>  in 1952. It is a diagrammatic representation of a sagittal view of maximum mandibular movement.<unk>  postulated that in the first 20mm of opening and closing, the mandible only rotates and does not simultaneously move downward and forward.
Posselt's envelope of motion
Armstrong limit
Range of motion
Range of Motion
Fowler's position
Breslow's depth
Place of articulation
Calcaneal pitch