[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR890.1925] [Page 520] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 890_PHYSICAL MEDICINE DEVICES--Table of Contents Subpart B_Physical Medicine Diagnostic Devices Sec. 890.1925 Isokinetic testing and evaluation system. (a) Identification. An isokinetic testing and evaluation system is a rehabilitative exercise device intended for medical purposes, such as to measure, evaluate, and increase the strength of muscles and the range of motion of joints. (b) Classification. Class II (special controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to Sec. 890.9. [48 FR 53047, Nov. 23, 1983, as amended at 63 FR 59230, Nov. 3, 1998] Subpart C [Reserved]