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Back Safety in the Workplace By: Chaizong Lor, Safety Coordinator, FM.

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Presentation on theme: "Back Safety in the Workplace By: Chaizong Lor, Safety Coordinator, FM."— Presentation transcript:

1 Back Safety in the Workplace By: Chaizong Lor, Safety Coordinator, FM

2 Back Safety & Lifting Training Objectives: –Injury & Illness Statistics –Risk Factors - Occupational –Back Injury Prevention –Principles of Safe Handling –Lifting Plan –Biomechanics Lifting Power Zone –Back Strengthening Exercises –Summary

3 Injury & Illness Statistics Bureau of Labor Statistics Sprains/Strains, Tears YearCases 2003303,750 2004282,240 2005270,890 2006250,870 2007235,960 2008222,290 2009195,150 UW-EC Custodian Maintenance FY 7/1/07 – 6/30/10 Cause by lifting, moving, reaching, repetitive motion, pushing/pulling, trip/fall, and struck by No.Department/ShopsTotal Cost 45 Custodian$72,612.71 7Ground Keeper $56,260.47 4Repair Worker $986.20 14Maint. Specialist $29285.17 70 Total ClaimsGrand Total Cost: $159,144.55

4 Risk Factors - Occupational Common Causes of Back Injuries Heavy Lifting Sitting or Standing Awkward Postures Carrying & Lifting Twisting Reaching & Lifting Slips, Trips & Falls

5 Risk Factors - Occupational Job requires heavy lifting: –Use equipment when possible or ask for help. –Try to avoid repetitive lifting over a long period of time. Heavy Lifting Twisting Twisting at the waist while lifting or holding a heavy load. Reaching & Lifting Injury usually occurs when reaching over the head, across a table or out the back of a truck.

6 Risk Factors - Occupational Injury usually occurs when carrying or lifting objects with awkward or odd shapes. Carrying & Lifting Inappropriate postures that can contribute to back pain are caused by poor workstation layout and/or equipment design. Awkward Positions Slips, Trips & Falls It is very easy to injure your back, neck or legs while slipping, tripping or falling.

7 Risk Factors - Occupational Sitting or standing too long in one position. Sitting can be very hard on the lower back. For every one to two hours sitting, stand up and take a stretch. For every one to two hours standing, sit down or move around and stretch. Sitting or Standing

8 Back Injury Prevention –Avoid lifting and bending whenever you can. –Place objects up off the floor. –That way you won’t have to reach down to pick them up again. –Raise / lower shelves. –The best zone for lifting is between your shoulders and your waist. –Put heavier objects on shelves at waist level, lighter objects on lower or higher shelves.

9 Back Injury Prevention Reducing exposure to known risk factors Repetition Awkward Position Force –Object weight –Load Distribution –Object friction Duration

10 Back Injury Prevention –Avoid Hyper extension movements of the back. –Avoid Hyper flexion movements of the back.

11 Back Injury Prevention Maintain good posture Lift objects holding them close to your body Never “twist” when carrying, handling, or transferring a heavy object Avoid “locking out” the knees Use proper lifting techniques

12 4 1 2 3 AssessPlanPreparePerform

13 Principles of Safe Handling Assess the task: –Posture –Pacing, rate of work, breaks –Requirements for team handling Assess Your Own Capabilities: –Strength, height, etc. –Health problems –Gender, age, fitness Assess

14 Principles of Safe Handling Assess Cont.: Assess the Load: –Weight, shape, size –Handles, packaging –Stability –Contents: hot, cold, hazardous Assess the environment: –Space constraints –Flooring condition, levels –Temperature, humidity, ventilation –Tidiness, general housekeeping

15 Principles of Safe Handling Task – What is the most appropriate posture? – Is there mechanical aid available? – Is there anyone else to help? Route Consider start and end points – Can any obstructions be cleared Plan

16 Principles of Safe Handling Prepare the load: –Can the load be split? –Can the load be made more stable? –Make sure contents are evenly distributed? –Move the load’s center of gravity close to yours –Cover sharp / abrasive edges Prepare yourself and the area: –Check space constraints –Move obstacles –Check final destination –Check housekeeping –Get a good grip on the load –Use PPE where appropriate Prepare

17 Principles of Safe Handling Apply principles of biomechanics to reduce the load on the spine –Keep a wide base of support. –Maintain the lumbar curve (low back) as much as possible. –Get a good grip. –Position feet in direction of travel. –Use smooth controlled movements. –Use friction to minimize force. –Try to avoid twisting and stooping. –Use team lifting where appropriate. Perform

18 Lifting Plan Proper Lifting Techniques Get close to the load Squat Down Grip the Load Hug the Load Slowly Lift

19 Lifting Plan Proper Lifting Techniques Get close to the load –Get as close to the load as possible with your feet wide apart about shoulder width, with one foot slightly in front of the other for balance. Test the object’s weight before lifting it. Ask for assistance from a co-worker when appropriate. Have the object close to the body and put less force on the low back. Avoid rapid, jerky movements.

20 Lifting Plan Proper Lifting Techniques Cont.: –Keep yourself in an upright position while squatting to pick up. –Squat by bending the knees and hips. –Keep the three Curves of the Back properly aligned: Ears, Shoulders, and Hips are in a straight line. Squat Down

21 Lifting Plan Proper Lifting Techniques Cont.: –Tightening the stomach helps support the spine. –Do not hold your breath while tightening the muscles. –Get a firm grasp of the object before beginning the lift. Use both hands. Use whole hand, not just fingers. Use gloves as needed to prevent “pinched” grips or to protect the hands during lift. Grip the Load

22 Lifting Plan Proper Lifting Techniques Cont.: –Legs are the strongest muscles in the body – so use them. –Avoid back flexion. –Hold objects close to body. –Slide the object from the knee on the ground to mid-thigh. –Keep the head forward. –Hug the object to your stomach & chest. Hug the Load

23 Lifting Plan Proper Lifting Techniques Cont.: –Lift with the legs to allow the body’s powerful leg muscles to do the work. –Flex the knees and hips, not the back. –Avoid bending & twisting at the waist. –Try to keep the back “straight” during the lift. –Do not look down at the object during lift. –Look up to help “straighten” the position of the back for a safer lift. –Never Bend, Lift, and Twist at the same time. Slowly Lift

24 Biomechanics Lifting Power Zone 30 lbs. L5/S1 Disk 16 in. 85 lbs. 0 in. (30 lbs. x 16 in.) + (85 lbs. x 0 in.) = 480 in-lbs. (Box)(Employee) 30 lbs.85 lbs. 12 in. L5/S1 Disk 36 in. (30 lbs. x 36 in.) + (85 lbs. x 12 in.) = 2,100 in-lbs. (Box) (Employee) Box = 30 lbs. Body wgt = 170 lbs. Torque = Load x Distance

25 Lifting in Dumpster

26 Sweeping

27 Sweeping Bleachers

28 Sweeping and Lifting

29 Vacuum

30 Vacuum under Desk

31 Pushing/Pulling Cart

32 Storage

33 Back Strengthening Exercises Exercises –Exercises that work your back, hips, thighs, and abdominal muscles can minimize back problems. –Stand behind chair, hands on chair. Lift one leg back and up, keeping the knee straight. –Warm up slowly and exercise regularly.

34 Back Strengthening Exercises Exercises Cont.: –Starting Position: Standing tall, feet shoulder width apart, chin tucked in Place your palms on the small of your back, fingers pointing down. Keep your head up as you lean back slowly as far as possible. Hold for at least 10 seconds. Return to starting position and relax.

35 Back Strengthening Exercises Exercises Cont.: –Wall Squats Stand with back leaning against wall Walk feet 12 inches in front of body. Keep abdominal muscles tight while slowly bending both knees 45 degrees. Hold 5 seconds. Slowly return to upright position. Repeat at least 5 to 10 times.

36 Back Strengthening Exercises Exercises Cont.: –Lie on the floor on back. –Keeping arms folded across chest, tilt pelvis to flatten back, chin tuck into chest. –Tighten abdominal muscles while raising head and shoulders from floor. –Hold at least 10 seconds and release. –Repeat at least 5 to 10 times.

37 Summary Heavy Lifting Twisting Reaching & Lifting Carrying & Lifting Awkward Positions Sitting or Standing Slips, trips, and falls Common Causes Of Back Injuries Back Injury Prevention Reduce exposures to known risk factors

38 Summary Assess Plan Prepare Perform Principles of Safe Handling Proper Lifting Techniques Close Squat Grip Hug Slowly

39 Any Questions, Comments!!

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