medi 4C 4-point hyperextension braceHyperextension brace with ratchet closer. medi 4C is a hyperextension brace. The product is exclusively to be used for the orthotic fitting of the lumbar spine thoracic spine and only on unbroken skin. Hyperextension of the vertebral column provides stabilisation in the saggital plane Rotational stability is restricted by the subclavicular extension pads Stable framework construction restricts lateral flexion Indications Stable vertebral compression