Farber et al. Plast Aesthet Res 2020;7:72 I http://dx.doi.org/10.20517/2347-9264.2020.152 Page 17 of 28
Figure 14. Glabellar muscle anatomy. The corrugator and procerus are seen anatomically (top) with their bony attachments illustrated
(middle) and their functional rhytid pattern (bottom)