AP Meary's angle

Last revised by Henry Knipe on 19 Jan 2022

AP Meary's angle or AP talus-first metatarsal angle is used to assess for midfoot abduction/adduction in pes planus and pes cavus to assist with pre-operative planning 1


On a weight-bearing AP foot radiograph, a line is drawn down the longitudinal axis of the first metatarsal to form an angle with a second line along the longitudinal axis of the talar articular surface or talar neck 1,2.


  • normal: ~7° +/- 4-5° 1,2

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