No, not Yoga, it's an Exam - Public domain drawing
Summary
Fig 47 on page 154. This is a new one to me. This woman is getting an exam.
Flickr data on 2011-08-17:
Tags: public domain, copyright free, illustration, drawing, image, Points in Nursing, 1910, Emily A. M. Stoney
License: CC BY 2.0
User: perpetualplum Sue Clark
Tags
medicine
anatomy
gynaecologic positions
gynaecology in art
medical illustrations
practical points in nursing
anatomical atlas
anatomical illustration
Date
1920
Source
Wikimedia Commons
Link
Copyright info
public domain