At a follow-up visit 2 weeks later, we switched the casts to long arm thumb spica casts because of the patient's ability to pronate and supinate her wrists in the short-arm versions.
This manifests itself with a "waiter's tip deformity" (inability to abduct or to internally rotate the shoulder, as well as inability to supinate the forearm) at birth.
Pronate and Supinate: The way your foot rolls inward (pronation) or outward (supination) when it hits the ground affects the type of shoe you buy to avoid pain in the shin, foot and knee.
Straight stick laparoscopy is great, but the laws of physics still only allow us to pronate, supinate. push, and pull with a needle holder and every other instrument.
Marshall says, "Throwing screwballs is safer than throwing pitches that require baseball pitchers to supinate their pitching forearm through release." Supinating the forearm means turning your left hand counter-clockwise away from your body with the thumb up, the way a left-handed pitcher throws a curve; pronating the forearm is the opposite motion, the screwball delivery.
Margays are capable of hunting prey in the trees and possess morphological adaptations associated with this foraging strategy, such as their distinctive long tail and hind foot that can both pronate and supinate, allowing them to climb down trees head first (Eisenberg, 1989; de Oliveira, 1998; Calleia et al., 2009).
The angle at which your sole lands has much to do with whether you excessively pronate or supinate. This is why physicians often refer to pronation as the "unlocking" of the subtalar joint in the ankle.