SAFE Manual Material

Handling

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Presentation Outline

• Background (10 Min)• Risks for Injury (20 Min)• Best Practices (25 Min)• Questions (5 Min)

Section 1Background

• Basic Anatomy• Signs and Symptoms• Treatment of injury

Basic Anatomy• Musculoskeletal Injuries (MSI)

– Mus-cu-lo-ske-le-tal Injuries• Muscles (musculo) and bones (skeletal)

– Strain/sprain– Pull/tear

Basic Anatomy

Shoulders

Lower-back

Hips

WEAK JOINTS

STRONG JOINTSKnees

MSI Signs and Symptoms• A Sign can be observed:

– Swelling– Redness– Difficulty moving a body part

• A Symptom can be felt but not seen:– Numbness– Tingling– Pain

Treatment• Sports Doctors are the most qualified to

diagnose and treat MSI• Depends on the injury

– Physiotherapy, Chiropractic, Massage, etc• Focus on correcting the malfunction not more

treatments• Active treatments are more effective than

passive ones

Treatment• Minor injuries can often be treated at home.

– Cold for “ouch”– Heat for stiffness and aches– Apply for 15-20 mins– Limit bed and couch rest– Walking is often a great way to improve a sore

lower-back

Section 2Risks for Injury

• Repetitive Motion• Forceful Exertion• Sustained / Awkward Posture• Fatigue

RISKS FOR INJURY• NOTE:

– The following slides have generic examples– Replace the examples with actual tasks from

YOUR workplace– Use pictures taken from your workplace– Put each example on a separate slide– Delete this slide before delivering training

Repetitive motion• Definition: Continually performing the same

movement without variation• Examples:

– Raking / shoveling– Production line work– Loading / unloading a cart– ‘Chain-gang’ sandbagging

Repetition causes fatigue

Strength Stress

Fo

rce

Time

MICRO-BREAKS give the body a chance to rest & recover

Forceful exertion• Definition: An action which may overload the

body• Examples:

– Picking a heavy box up off the floor– Pushing/pulling a loaded cart– Carrying a heavy object

Forceful exertion AND Repetitive motion

Strength Stress Time

Fo

rce

Posture is more important than strength

Picture Credit: Nicholas Griffin, www.odowdsbar.com, Roundstone, Connemara, Co.Galway, Ireland

Posture is more important than strength

Picture Credit: Nicholas Griffin www.odowdsbar.com, Roundstone, Connemara, Co.Galway, Ireland

Posture is more important than strength

Picture Credit: Nicholas Griffin, www.odowdsbar.com, Roundstone, Connemara, Co.Galway, Ireland

Posture is more important than strength

Picture Credit: Nicholas Griffin, www.odowdsbar.com, Roundstone, Connemara, Co.Galway, Ireland

Sustained/Awkward Posture• Definition: Non-neutral postures which increase

the stress on the body

• Examples:– Slouching– Twisting at the waist– Reaching overhead– Lifting through the back

Section 3Best Practices

• Proper Lifting Technique• Proper Carrying Technique• Team Lifting• Mechanical Assistance

Proper Lifting Technique

Squat LiftStoop Lift

Proper Lifting Technique

Squat LiftStoop Lift

Pushing vs. Pulling

Proper Lifting Technique

Golfer’s Lift Bridging (support the body with the non-lifting hand)

People are not pack animals

Proper Carrying Technique

Team Lifting• Recommended for:

• Awkward lifts• Heavy lifts• Long carries

• Remember to:• Use proper lifting technique• Use a spoken count to coordinate lift AND

lower

Mechanical Assistance

• Proper use of machines (dollies, hoists, cranes, carts, etc) reduce the risk of injury

• Use machines for material handling tasks wherever possible

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Questions

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