L0455 Tlso flex trnk sj-t9 pre otsTlso, flexible, provides trunk support, extends from sacrococcygeal junction to above t-9 vertebra, restricts gross trunk motion in the sagittal plane, produces intracavitary pressure to reduce load on the intervertebral disks with rigid stays or panel(s), includes shoulder straps and closures, prefabricated, off-the-shelf