Abstract: The present invention relates to a device for use in medical procedures for imaging a patient's lumbar spine while in a supine position by computerized tomography and magnetic resonance tomography, comprising a garment-like structure such as waistcoat substantially surrounding a portion of the body of a patient, a foot plate having pressure sensors and being attached to a substantially stationary surface, a pulling cord attached to said waistcoat and said foot plate as well as a transmission attached to said pulling cord and said foot plate for exerting a pressure on the spine.