Respuesta :
Abduction, eversion, dorsiflexion are the movements contribute to pronation of the foot and ankle.
Pronation is a normal foot motion that happens while you run or walk and lands on your foot. Subtalar eversion, ankle dorsiflexion, and forefoot abduction are the three separate motions of the foot that make up the three cardinal plane components that are present simultaneously throughout the pronation phase. The gait cycle includes pronation, which is natural, desirable, and essential. Supination begins the propulsive phase when the heel begins to lift off the ground, whereas pronation is the first part of the stance phase.
During distinct parts of the gait cycle, the foot is flexible (pronation) and rigid (supination), yet normal foot biomechanics absorb and direct the happening throughout the motion. The subtalar joint ejects, the ankle dorsiflexes, and the forefoot abducts as the foot is loaded. The typical foot should then supinate in preparation for toe-off, therefore pronation shouldn't continue past the latter stages of midstance.
When a foot supinates when it should supinate or overpronates during a normal supination phase of the gait cycle, this is known as abnormal pronation. The foot needs about four degrees of pronation and supination in order to move forward appropriately. The foot is neither supinating nor pronating while it is in the neutral position. A biomechanical issue may emerge if the foot pronates or supinates during the stance phase of the gait cycle when it should be in the neutral position.
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