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Body Part Associated with MSD | |

|Risk Factors |Job or task that involves: |Neck or Shoulder |Hand, Wrist, or |Back, Trunk, or |Leg, Knee, or Ankle |

| | | |Arm |Hip | |

|Repetition |Repeating the same motion every few seconds or |X |X |X |

| |repeating a cycle of motions involving the | | | |

| |affected body part more than twice per minute for| | | |

| |more than 2 consecutive hours in a workday. | | | |

|Force |Lifting more than 51 pounds at any one time. This|X |X |X |X |

| |is generally considered the maximum weight that | | | | |

| |nearly all healthy workers should be able to | | | | |

| |lift. | | | | |

|  |Pinching an unsupported object weighing 2 or more|  |X |  |  |

| |pounds per hand, or use of an equivalent pinching| | | | |

| |force (e.g., holding a small binder clip open) | | | | |

| |for more than 2 hours total per day. | | | | |

|Awkward Postures |Repeatedly raising or working with the hand(s) |X |X |X |  |

| |above the head or the elbow(s) above the | | | | |

| |shoulder(s) for more than 2 hours total per day. | | | | |

|  |Working with the back, neck, or wrists bent or |X |X |X |  |

| |twisted for more than two hours total per day | | | | |

| |(see figures): | | | | |

| |[pic] | | | | |

Cold |Working in a cold environment or handling cold materials more than 2 hours per day | |X | | | |Vibration |Using vibrating tools or equipment such as impact tools or jackhammers for more than 30 minutes total per day. |X |X |X |  | |

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