navmc dir 5100.8 marine corps occupational safety and ... - US Navy

MARCOR OSH PROGRAM MANUALnerves, joints, cartilage (including intervertebral discs),bones and supporting blood vessels in either the upper or lowerextremities, back, or neck, that is associated with work centerrisk factors (ergonomic). These are not limited to cumulativetrauma disorders, repetitive strain injuries or illnesses,repetitive motion injuries or illnesses, and repetitive stressinjuries or illnesses. Refers collectively to signs, persistentsymptoms, or clinically-diagnosed work-related musculoskeletaldisorders (WMSDs) when they are caused or aggravated by exposureto work center risk factors (ergonomic).B-7