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. 2017 Aug 29;18:373. doi: 10.1186/s12891-017-1714-y

Fig. 3.

Fig. 3

Coronal and sagittal plane that were defined as bony landmarks. Coronal plane (APP) was defined as bilateral ASIS and pubic tubercles. Sagittal plane was defined as midline of bilateral ASIS and sacral crest