Development, optimalisation and validation of the exercise diagnostics for functional iliac flow limitations in endurance athletes: blood pressure measurement, pedal force measurement an near infrared spectroscopy.

One in every five professional bicyclists has a functional flow limitations of the iliac arteries. Current diagnostics are complicated and time consuming. The use of new techniques like near infrared spectroscopy and pedal force measurement could improve sensitivity and specificity of the current diagnostic tests and therefore it may advance the diagnosis.

The use of a new protocol of exercise testing with use of blood pressure measurement, near infrared spectroscopy and pedal force measurement will improve the diagnostic value of the current decision algorithm used to diagnose functional iliac flow limitations in endurance athletes.

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Bloodpressure measurements, pedal force measurements and near infrared measurements during and after exercise testing in both patients as in healthy test subjects.