Correction to: Arthroplasty (2019) 1:15

https://doi.org/10.1186/s42836-019-0016-2

In the original publication of this article [1], Fig. 1 is wrong due to a typesetting mistake. The correct figure 1 should be as follows.

Fig. 1
figure 1

Operative protocol

The original article has been corrected.