Based on ANCOVAs , participants in the treatment group exhibited significantly greater improvement in WOMAC pain ( adjusted means -LSB- SE -RSB- ) ( @ -LSB- @ -RSB- , @ -LSB- @ -RSB- ; p = @ ) , stiffness ( @ -LSB- @ -RSB- , @ -LSB- @ -RSB- ; p = @ ) and SPPB ( repeated chair stands ) ( @ -LSB- @ -RSB- , @ -LSB- @ -RSB- ; p = @ ) at @ weeks .