21. Additional emphasis was given to ergonomics , aerodynamics, and safety. 22. The Gilbreths'work broke ground for contemporary understanding of ergonomics . 23. The ergonomic advantages are secondary to the incredibly short learning curve. 24. This configuration is more ergonomic and commonly used in tight spaces. 25. It could also be more comfortable or ergonomic than other bicycles. 26. Henige, David . " Epistemological Dead End and Ergonomic Disaster? 27. According to Opsvik the feet are the ignored extremities of ergonomics . 28. The International Ergonomics Association defines ergonomics or human factors as follows: 29. The International Ergonomics Association defines ergonomics or human factors as follows: 30. Specialisations in the field of physical ergonomics may include visual ergonomics.
