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Antalgic Gait

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A patient presents with an extremely painful corn on the sole of their foot. The corn is located directly under the first metatarso-phalangeal joint.
What gait pattern would be expected? What would the effects of their condition be on various parts of the gait cycle?

antalgic gait a limp adopted so as to avoid pain on weight-bearing structures, characterized by a very short stance phase

Antalgic gait refers to the way one walks, usually with a limp, to avoid pain. It’s a form of gait abnormality where the stance phase is shortened relative to the swing phase. There are many types of gait, but antalgic gait is the result of pain. The patient tries to minimize the amount of weight placed on the painful leg, knee, ankle or foot while walking or running. The stride is shortened on the injured side, affecting the posture or style of the patient’s normal gait cycle. Antalgic gait can come on suddenly or gradually due to a disease or damage to the nerve or musculoskeletal system. It can be mild, moderate or severe, temporary or permanent. Antalgic gait can affect anyone at any age, but seniors and athletes seem to suffer from it more often and it is seen in men more than women.

A limp is a type of asymmetric abnormality of the gait. When due to pain it is referred to as an antalgic gait which has a shortened duration in which the foot is in contact with the ground, in severe cases there may be a refusal to walk.

In antalgic gait, the stance (weight-bearing) phase is shorter on the affected side [14], resulting in shorter stride length on the uninvolved side and overall decreased walking velocity…...

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