You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is In which of the following condition does pseudoclaudication occur? and explain in detail?
Lumbar spinal stenosis is defined as narrowing of the spinal canal, its lateral recesses, and neural foramina that results in a compression of lumbosacral nerve roots. The hallmark of spinal stenosis is bilateral pseudoclaudication. It is induced by standing or walking and is relieved by sitting or flexing forward. Pedal pulses are preserved, symptoms are provocated by standing and walking, and maximal discomfo is in the thighs rather than the calves. Ref: CURRENT Rheumatology Diagnosis and Treatment, 2nd Edition, Chapter 10