عدد المساهمات : 442 تاريخ التسجيل : 22/11/2011 العمر : 59 الموقع : http://jobpsycho57.physicboards.com العمل/الترفيه : أستاذ
موضوع: The Importance Of Workplace Ergonomics الأربعاء يناير 16, 2013 3:17 pm
Three basic principles apply above all others when dealing with workplace ergonomics:
The stress of any lifting should be taken by the largest muscles to protect the smaller and more vulnerable ones.
When working, the employee should be able to move comfortably between various correct postures so they don’t overstress one particular part of the body for an extended period. Muscles become fatigued when kept tense for too long, especially if that one posture is poor.
Joints should move through no more than 50% of their range when performing activities, and preferably be kept in a neutral position. Joints that are overextended can become damaged and susceptible to repetitive stress/strain injuries.