ergo19_ch9 - Safety and Ergonomics Spring 2010 2011 1...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Safety and Ergonomics Spring 2010/ 2011 1 Safety and Ergonomics The office workstation Spring 2010/ 2011 2 Office Workstation ¡ Healthy posture ¢ Sitting ¢ Standing ¡ Semisitting ¢ Advantage vs. disadvantage Safety and Ergonomics Spring 2010/ 2011 2 Spring 2010/ 2011 3 Health complaints ¡ Pain in neck area ¢ Vertical tilt for along period ¡ LBP ¡ Eye fatigue ¡ CTS ¡ Tendonitis Spring 2010/ 2011 4 Safety and Ergonomics Spring 2010/ 2011 3 Spring 2010/ 2011 5 Experimental Studies ¡ Recording EMG Æ trunk muscles tension ¡ Pressure in the intervertebral disc ¢ Depend on trunk posture and support ¡ Biomechanical studies concluded that: ¢ Sitting without backrest, and armrest may increase disc pressure over standing by one 1/3 – 1/2 ¢ No great difference between sitting straight, relaxed, if there is no backrest ¢ Leaning on well designed backrest can lower disc pressure Spring 2010/ 2011 6 Safety and Ergonomics Spring 2010/ 2011 4 Spring 2010/ 2011 7 Spring 2010/ 2011 8 Safety and Ergonomics Spring 2010/ 2011 5 Spring 2010/ 2011 9 Comfort vs. discomfort ¡ Comfort...
View Full Document

This note was uploaded on 05/24/2011 for the course INDUSTRIAL IE 221 taught by Professor Maisa during the Spring '11 term at German University in Cairo.

Page1 / 16

ergo19_ch9 - Safety and Ergonomics Spring 2010 2011 1...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online