
The Teeter Dex II is a forward-rotating decompression and core training device. It allows users to decompress their spine from a hip-supported position rather than hanging by the ankles, which is often preferred by those with knee or ankle issues. By placing the body in a face-down, forward-leaning position, the device uses gravity to stretch the lower back and relieve pressure on spinal discs. It is also used for inverted exercises like crunches and push-ups to build core strength without spinal compression.
There's another thing called a teeter... They developed one called the Dex where you hinge from your waist.
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"Joe Rogan mentions this specific brand and model ('the Dex') as an alternative to traditional inversion tables for spinal decompression, noting it hinges from the waist."