| 摘要 |
An expander for the lower part of the body is provided with a lumbar band (1) having corresponding catching members (2), an elastic strip (7) insertably fitted into and woven with the lumbar band (1), and a sole contact plate (6) having inserting portions (3) for both feet mounted thereon. The elastic strip (7) is woven around a substantially back half of the lumbar band (1), and coupling rings (7b) mounted at the opposite outer ends of the elastic strip (7) pulled out from the opposite sides of a front part of the lumbar band (1) are coupled to corresponding upper-end hooks (20a) of length-adjustable straps (20) connected with side portions (6a) of the sole contact plate (6) in a looped state.
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