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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Phys Med Rehabil Clin N Am. 2015 Aug 25;26(4):599–610. doi: 10.1016/j.pmr.2015.06.008

Figure 1.

Figure 1

Sequential progression of motor recovery as described by Twitchell and Brunstrumm. Note that while recovery is proceeding from one stage to the next, residual impairment from preceding stages may still be present leading to the layering of impairment. Also note the underlying physiological processes that may account for progression from one stage to the next.