Key Takeaways
- Lift with legs, not back - bend at knees and hips, keep back straight
- Keep loads close to your body to reduce strain
- Never twist while lifting - move your feet to turn
- Use gait belts, mechanical lifts, and other equipment when available
- Ask for help when needed - teamwork prevents injuries
Last updated: January 2026
Body Mechanics and Safe Lifting
Body mechanics is the proper use of your body to prevent injury during movement and lifting. CNAs frequently move, lift, and transfer patients, making good body mechanics essential for career longevity.
Why Body Mechanics Matter
- Back injuries are the most common CNA injury
- Improper lifting can cause permanent damage
- Good habits protect you throughout your career
- Poor mechanics also put patients at risk
Principles of Body Mechanics
| Principle | Application |
|---|---|
| Wide base of support | Stand with feet shoulder-width apart |
| Low center of gravity | Bend at knees and hips, not waist |
| Keep load close | Hold objects/patients close to your body |
| Use legs | Lift with leg muscles, not back |
| Avoid twisting | Move your feet to turn, don't twist spine |
| Maintain alignment | Keep back straight, ears over shoulders over hips |
| Know your limits | Get help when needed |
Safe Lifting Techniques
Before lifting:
- Assess the load - can you lift it safely?
- Clear the path - remove obstacles
- Get help if needed - don't be a hero
- Plan the move - know your destination
During lifting:
| Step | Action |
|---|---|
| 1 | Stand close to the object/patient |
| 2 | Widen your base of support |
| 3 | Bend at the knees and hips |
| 4 | Keep your back straight |
| 5 | Tighten abdominal muscles |
| 6 | Grasp the load securely |
| 7 | Lift with your legs |
| 8 | Keep the load close to your body |
| 9 | Move smoothly - no jerking |
| 10 | To turn, move your feet - don't twist |
Common Mistakes to Avoid
| Mistake | Why It's Dangerous | Correct Action |
|---|---|---|
| Bending at waist | Strains back muscles | Bend at knees and hips |
| Twisting while lifting | Damages spinal discs | Move feet to turn |
| Reaching out | Creates leverage strain | Keep load close |
| Lifting alone | Exceeds safe limits | Ask for help |
| Rushing | Leads to improper form | Take your time |
| Not locking equipment | Equipment can move | Always lock wheels |
Ergonomic Equipment
Use available equipment to reduce injury risk:
| Equipment | Use |
|---|---|
| Mechanical lift | Dependent patients, heavy patients |
| Gait belt | Transfers, ambulation assistance |
| Slide board | Lateral transfers |
| Slide sheet | Repositioning in bed |
| Wheelchair | Transport |
| Draw sheet | Repositioning, turning |
| Adjustable beds | Raise to comfortable working height |
Using a Gait Belt
The gait belt (transfer belt) is essential for safe transfers:
| Step | Action |
|---|---|
| 1 | Apply belt around patient's waist (over clothing) |
| 2 | Secure snugly - can fit 2 fingers underneath |
| 3 | Position buckle to front or side (not over spine) |
| 4 | Grasp belt at patient's sides with underhand grip |
| 5 | Stay close to patient during transfer |
| 6 | Remove after transfer is complete |
Never use gait belt:
- On recent abdominal surgery patients
- On patients with feeding tubes at waist level
- On patients with severe osteoporosis
- On pregnant patients
- When contraindicated by care plan
Safe Patient Transfers
Basic transfer steps:
- Prepare environment - Lock bed/wheelchair, clear path
- Prepare patient - Explain procedure, proper footwear
- Position patient - Sitting on edge of bed, feet on floor
- Apply gait belt - If used
- Block patient's knees - With your knees if needed
- Help patient stand - On count of 3
- Pivot together - Move feet, don't twist
- Lower patient - Bend your knees
- Position comfortably - Adjust as needed
Repositioning in Bed
Using draw sheet method:
- Lower head of bed flat (if tolerated)
- Two staff members on opposite sides
- Fanfold draw sheet close to patient
- On count of 3, lift and slide toward head
- Use body weight shifting (not back)
- Reposition pillows as needed
Protecting Yourself
| Strategy | Application |
|---|---|
| Stay fit | Strong core muscles protect back |
| Stretch | Before and after shift |
| Report injuries | Even minor strains |
| Use equipment | Available for a reason |
| Ask for help | No shame in teamwork |
| Know limits | Don't exceed your capabilities |
Test Your Knowledge
When lifting, you should bend at:
A
B
C
D
Test Your Knowledge
What is the purpose of a gait belt?
A
B
C
D
Test Your Knowledge
To turn while holding a patient or heavy object, you should:
A
B
C
D