A pelvic extension frame for removable attachment to the waist. The pelvic extension
frame comprises a yoke having a first end, a second end, a medial aspect and a
longitudinal axis. A harness is connected to the medial aspect of the yoke. A first
coupling is connected to the first end of the yoke. The first coupling has a first
pivot and a first mount. The first pivot is pivotable about the longitudinal axis.
A second coupling is connected to the second end of the yoke. The second coupling
has a second pivot and a second mount. The second pivot is pivotable about the
longitudinal axis.