Upper Body Ergometer | Hudson (UBE-PAT) The Hudson® UBE-PAT Upper Body Ergociser facilitates the user's upper extremity range of motion while providing motorized passive assistance exercise. Choose from three motorized speeds - 15, 30, and 45rpm, and three run times - 15, 30, and 45 minutes. The Hudson® UBE-PAT Upper Body Ergociser operates bi-directionally by choosing forward or reverse mode.