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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Hum Mutat. 2014 May 21;35(7):868–879. doi: 10.1002/humu.22553

Figure 1.

Figure 1

Weakness of the long finger extensors without involvement of the thenar eminence is typical of MPD1, but may not occur until years after the weakness of the ankle and toe dorsiflexors has occurred. Rarely finger extension weakness does not develop at all.

1a – 17 year old female

1b – 65 year old man

1c – 28 year old man