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Fig. 1 | Journal of Cardiovascular Magnetic Resonance

Fig. 1

From: Non-invasive measurement using cardiovascular magnetic resonance of changes in pulmonary artery stiffness with exercise

Fig. 1

CMR-compatible stepper exercise device shown in use in a CMR scanner. a Photograph of the CMR-compatible stepper exercise device on the bed of the GE 1.5 T CMR scanner. b Photograph of the CMR-compatible stepper exercise device while in-use. The subject is exercising in the supine position while his/her torso, which is being imaged, is inside the MR bore. As the subject extends and then flexes alternating knees, the L-shaped lever arms are raised and then lowered in a dynamic stepping motion. The stepping cadence is measured by the built-in motion sensor which is connected to a computer in the monitoring room

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