Home - Products - Patient Care Supine C-Trax TMJ by Therapeutic Dimensions $50.70 Quantity: Description Designed for optimal supine positioning and comfortable intermittent traction force. Using any door frame, it is quickly and easily set up; positioning into cervical flexion or extension is also as effortless. To securely hold the cervical halter, the uniquely designed spreader bar eliminates the common problem of slippage. Allows the clinician a choice of intermittent or static distraction. Item Number 050318