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
The upward motion is dorsiflexion and the downward motion is plantar flexion. The normal upward movement is approximately 70 degrees and the downward movement is about 25 degrees. You need at least 60 degrees of upward movement of the big toe joint to prevent limping.