Ergonomic stress Data collect

• ERGONOMIC ASSESSMENT

• Site

• Conducted on

  Date

• Prepared by

• Personnel

LIFTING

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POSTURE & FORCE

• HIGH

• • Lift > 50 lbs with load in "Good" lifting zone
  • Lift > 35 lbs with load in "Awkward" lifting zone
  

• LOW

• • Lift < 20 lbs with load in "Good" lifting zone
  • Lift < 10 with load in "Awkward" lifting zone

REPETITION & DURATION

• HIGH

• • Frequency > 6 lifts per minute

• LOW

• • Frequency < 1 lifts every 10 min. (< 6 per hour)

PUSH / PULL

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POSTURE & FORCE

• HIGH

• • Two-handed push or pull force > 60 lbs

• LOW

• • Two-handed push or pull force < 20 lbs

REPETITION & DURATION

• HIGH

• • Frequency > 5 push or pull forces per minute

• LOW

• • Frequency < 1 every 15 minutes (< 4 per hour)

CONTACT

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POSTURE & FORCE

• HIGH

• • High level of contact stress (Example: forcefully strike corner with palm of hand)

• LOW

• • Low level of contact stress (Example: rest arm on edge of moderately sharp table edge/corner)

REPETITION & DURATION

• HIGH

• • Actual contact stress duration > 65% of task cycle

• LOW

• • Actual contact stress duration < 25% of task cycle

HAND / WRIST

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POSTURE & FORCE

• HIGH

• • Near full bending of wrist
  • High hand or finger force (Examples: grip > 50 lbs, pinch > 10 lbs, finger force > 10 lbs)

• LOW

• • Slight bending of the wrist (< 10°)
  • Light hand forces (Examples: grip < 10 lbs, pinch < 3 lbs, finger force
  < 3 lbs)

REPETITION & DURATION

• HIGH

• • Frequency > 20 per minute
  • Posture duration > 65% of task cycle

• LOW

• • Frequency < 6 per minute
  • Posture duration < 35% of task cycle

ELBOW

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POSTURE & FORCE

• HIGH

• • Near full rotation of the forearm (palm-up or palm-down position)
  • Forceful arm motion (open/close elbow, rotate forearm). Example: one-arm push/pull > 25 lbs

• LOW

• • Rotation of forearm < 20°
  • Arm motions requiring little effort (example: one-arm push/pull force < 5 lbs)

REPETITION & DURATION

• HIGH

• • Frequency > 15 per minute
  • Posture duration > 65% of task cycle

• LOW

• • Frequency < 4 per minute
  • Posture duration < 35% of task cycle

TRUNK

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POSTURE & FORCE

• HIGH

• • Forward bending or twisting > 60°
  • Side bending > 30°

• LOW

• • Forward bending < 20°
  • Twisting < 15°
  • Side bending < 10°

REPETITION & DURATION

• HIGH

• • Frequency > 3 per minute
  • Posture duration > 50% of task cycle

• LOW

• • Frequency < 1 per minute
  • Posture duration < 25% of task cycle

NECK STRESS

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POSTURE & FORCE

• HIGH :

• ▪ Near full bending of neck (forward, backward, or to the side)
  -Posture duration > 65% of task cycle
  

• LOW

• • Slight bending of the neck (< 10°)

REPETITION & DURATION

• HIGH :

• -Frequency > 15 per minute

• LOW

• • Frequency < 4 per minute

SHOULDER

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POSTURE & FORCE

• HIGH

• • Elbow above shoulder or behind back
  • One-arm push/pull force > 25 lbs
  • Support object weighing > 15 lbs at extended reach ("extended reach" defined as > 15", measured horizontally, from shoulder)
  

• LOW

• • Elbow close to body (< 30°)
  • One-arm push/pull force
  < 5 lbs
  • Support object weighing
  < 5 lbs at extended reach
  • Frequency < 2 per minute
  • Posture duration < 25% of task cycle

REPETITION & DURATION

• HIGH

• • Frequency > 6 per minute
  • Posture duration > 50% of task cycle

• LOW

• • Frequency < 2 per minute
  • Posture duration < 25% of task cycle