Ted Lewis, also currently credited as Ed Paul, is one of NY's most well-known voice actors.
circular movement around an axis: dorsiflexion: decreasing the angle of the ankle joint so that the foot bends backwards (upward) plantar flexion: the motion that extends the foot downward toward the ground as when pointing the toes: plant/o: sole of the foot: supinaton: as applied to the hand, the act of turning the palm forward, or up: pronation
1 Whichever description of the movement is used, the meaning is the same: flexing the ankle joint so that the toes and underside of the foot rotate downwards (see video-clip).  Plantaflexion of the hand is sometimes referred to as plantaflexion of the wrist.