Carpal Tunnel Combination of force, Wrist bending or Good evidence - High repetition defined as task cycle times Syndrome repetition, and vibration (; ).2,4 awkward posture for Keyboarding less of less than 30 seconds or performing the 4 hrs (). than or equal to 7 same task for more than 50% of the total Combination of repetition and hrs. in good cycle time ().5 force for 6 hours (). Mouse use more than ergonomic position IS 4 hours (). Tasks using a hand grip. Combination repetition and NOT RELATED (; ; ; ; forceful tool use with awkward Combination cold and Extreme wrist radial/ulnar positions or ). posture for 6 hours (). forceful repetition for elbows in awkward postures (). Good evidence- 6 hours - Frozen food Combination force, repetition, Repetition alone less handling (). and awkward posture (). than or equal to 6 Combination of 2 pound pinch hrs. IS NOT or 10 pound hand force 3 RELATED (; ). times or more per minute for 3 hours (). Diagnosis Evidence FOR Specific Risk Factors Evidence AGAINST Non-Evidence-Based Additional Risk These factors must Specific Risk Factors to Consider. Strong Good Some Factors be present for at least 4 hours of the work Multiple high One high quality study or One adequate study day, and may not overlap evidence risk quality studies multiple adequate studies factors.¹
Carpal Tunnel Syndrome Combination of force, repetition, and vibration (; ).2,4 Combination of repetition and force for 6 hours (). Combination repetition and forceful tool use with awkward posture for 6 hours (). Combination force, repetition, and awkward posture (). Combination of 2 pound pinch or 10 pound hand force 3 times or more per minute for 3 hours (). Wrist bending or awkward posture for 4 hrs (). Mouse use more than 4 hours (). Combination cold and forceful repetition for 6 hours - Frozen food handling (). Good evidence - Keyboarding less than or equal to 7 hrs. in good ergonomic position IS NOT RELATED (; ; ; ; ). Good evidence- Repetition alone less than or equal to 6 hrs. IS NOT RELATED (; ). High repetition defined as task cycle times of less than 30 seconds or performing the same task for more than 50% of the total cycle time ().5 Tasks using a hand grip. Extreme wrist radial/ulnar positions or elbows in awkward postures (). Diagnosis Evidence FOR Specific Risk Factors Evidence AGAINST Specific Risk Factors Non-Evidence-Based Additional Risk Factors to Consider. These factors must be present for at least 4 hours of the work day, and may not overlap evidence risk factors.¹ Strong Multiple high quality studies Good One high quality study or multiple adequate studies Some One adequate study
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