1 INTRODUCTION  
2 HUMAN POSE ESTIMATION  
2.1 2D vs. 3D Estimation  
2.2 Marker vs. Markerless  
2.3 Single-View vs. Multi-View  
2.4 RGB vs. RGBD  
2.5 Temporal Reasoning  
3 BIOMEDICAL APPLICATIONS OF HPE  
4 COMMERCIAL SYSTEMS  
5 DISCUSSION  
5.1 Limitations of HPE in Biomedical  
5.2 Opportunities  
6 CONCLUSIONS