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A Trendelenburg bed is one that remains flat as it inclines the foot end of the bed above the head end. In modern days, some of these beds have other capabilities as well. Notably, they can also move into the reverse Trendelenburg position which inclines the head rather than the feet yet maintains a flat surface. Trendelenburg beds today may differ in the degree of inclination from one model to another. Originally the Trendelenburg position was used for surgery. The idea was to leverage gravity to move organs out of the way during surgery performed on the abdomen. It was named after Dr. Friedrich Trendelenburg who first successfully utilized this position in surgery.

Reverse Trendelenburg is a position that is opposite to the traditional Trendelenburg position. Instead of the upper portion of the bed being low, the foot of the bed is. Otherwise, this position mirrors the Trendelenburg and is similarly operated. With the body lying flat on the back, the part that supports the legs lowers. This keeps the body straight while putting it at an angle that lifts the head above the body. It is very similar to the Elevation feature offered on Symphony Sleep beds but it is found on hospital beds.
| Features | Supernal 5 | Valiant | Symphony Sleep |
|---|---|---|---|
| Head and Foot | yes | yes | yes |
| Trendelenburg Position | yes | yes | yes |
| Reverse Trendelenburg Position | yes | yes | yes |
| Hi-Low Position | yes | yes | yes |
| Optional Rails | yes | yes | yes |
| Optional Massage Upgrade | no | yes | yes |
| Optional Under-Bed Lighting Upgrade | no | yes | yes |
| Custom Sizes | no | yes | no |
| Sizes | Supernal 5 | Valiant | Symphony Sleep |
|---|---|---|---|
| 60 Inches by 80 Inches | yes | yes | yes |
| 53 Inches by 84 Inches | no | yes | no |
| 53 Inches by 80 Inches | Yes | yes | no |
| 48 Inches by 80 Inches | no | yes | no |
| 38 Inches by 84 Inches | no | yes | no |
| 38 Inches by 80 Inches | yes | yes | yes |
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