Repetition | |
 Repeating the same motions every few seconds | |
 A sequence of movements repeated more than twice per minute | |
 More than 50% of the cycle time involved in performing the same sequence of motions | |
Postures | |
 Large range of joint movement such as side to side or up and down | |
 Awkward or extreme joint positions | |
 Joints held in fixed positions | |
 Stretching to reach items or controls | |
 Twisting or rotating items or controls | |
 Working overhead | |
Force | |
 Pushing, pulling, moving things (including with the fingers or thumb) | |
 Grasping / gripping | |
 Pinch grips i.e. holding or grasping objects between thumb and finger | |
 Steadying or supporting items or work pieces | |
 Shock and /or impact being transmitted to the body from tools or equipment | |
 Objects creating localized pressure on any part of the upper limb | |
Vibration | |
 Use any powered hand-held or hand-guided tools or equipment / hand-feed work pieces to vibrating equipment |