Glossary - P
Pedal - pertaining to the foot or feet.
Pedorthics - the design, manufacture, fitting, and modification of shoes and related foot appliances as prescribed for the amelioration of painful or disabling conditions of the foot and leg.
Pes abductus - a deformity in which the anterior part of the foot is displaced and lies laterally to the vertical axis of the leg.
Pes adductus -a deformity in which the anterior part of the foot is displaced and lies medially to the vertical axis of the leg.
Pes cavus -a foot with an abnormally high longitudinal arch, either congenital or caused by contractures or disturbed muscle balance.
Pigeon Toeing - a condition causing the toes to point in. It is common in infants and young children. If a child is pigeon toed it does not mean there is something wrong with the feet. It just tells which way the toes point when the child or person walks.
Planta pedis - the bottom of the foot; called also sole.
Plantalgia - pain in the sole of the foot.
Plantar reflex - plantar flexion of the foot when the ankle is grasped firmly and the lateral border of the sole is stroked or scratched from the heel toward the toes.
Plantar space - a fascial space on the sole of the foot, divided by septa into the lateral, middle, and median plantar spaces.
Plantar wart - a viral epidermal tumor on the sole of the foot, sometimes the result of going barefoot; unlike other warts, this type is usually sensitive to pressure and may be painful during walking. Called also verruca plantaris.
Plantigrade - walking or running flat on the full sole of the foot; characteristic of humans and of such quadrupeds as the bear.
Podiatry - the specialized field dealing with the study and care of the foot, including its anatomy, pathology, medical and surgical treatment, etc.
Pododynia - neuralgic pain of the heel and sole; burning pain without redness in the sole of the foot.
Prehallux - a supernumerary bone of the foot growing from the medial border of the scaphoid.
Pronation - the act of assuming the prone position, or the state of being prone. Applied to the hand, turning the palm backward (posteriorly) or downward, performed by medial rotation of the forearm. Applied to the foot, a combination of eversion and abduction movements taking place in the tarsal and metatarsal joints and resulting in lowering of the medial margin of the foot, hence of the longitudinal arch.