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Cushion Rigidizer To Reduce The Hammocking Effect

Cushions used on wheelchairs with a sling seat base have a hammocking effect that lowers their effectiveness and decreases pressure distribution. A rigidizer is inserted underneath the cushion to increase stability and provide a firm base of support to reduce hammocking.


  • inexpensive
  • can be placed inside at the bottom of the cushion cover or underneath it, so it may reduce the need to replace sling wheelchair bases
  • easy to setup and use
  • can also be used with cushions placed on non-firm chairs or couches


  • needs to be roughly the same size as one’s cushion