Study of contoured foot orthoses vs sham shoe insoles in 1st MTP #OA pain: 87 pts completed 12 wk trial that showed no differences in 1st MTP walking pain or other 2nd outcomes. Hard orthoses are no more effective than flat sham insoles https://t.co/XAFWwpSjHm https://t.co/g5J9TbG2pQ