| 摘要 |
A massage roller (10) comprises a central spinal recess portion (14), a circular wall portion (16, 18) on each side of the spinal recess portion (14), and an outer portion (26, 28) extending outwardly from each of the circular wall portions (16, 18), each outer portion (26, 28) having a first diameter at or near the circular wall portion (16, 18), and a second diameter remote from the circular wall portion (16, 18), the second diameter being larger than the first diameter. |
