Claudication is a common muscular condition brought on by exercise and often presents as painful cramps in the lower part of the leg caused by too little blood flowing to the muscles in this area. The discomfort is usually felt during walking and tends to go away again once exercise ends. However, some people with more sever cases feel pain even when they are not exercising.
The primary cause of claudication is a hardening of the arteries. Because the arteries provide blood flow to muscles during periods of exercise, hardening prevents the muscles from receiving enough oxygen while in motion. Therefore, people with claudication experience painful leg cramps when they exercise. This pain usually wears off once the body is resting again because the muscles no longer require as much oxygen. However, when the condition has become more advanced, the pain may endure even during rest.
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