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Back mechanics. Back Injuries презентация
Содержание
- 1. Back mechanics. Back Injuries
- 2. Back Injuries Statistics 25% of low back
- 3. Spinal Column
- 4. The spine is made up of 33
- 5. Spinal Column
- 6. Discs and Force
- 7. Herniated Discs
- 8. Lower Spine
- 9. Spine Range of Motion
- 10. Spine Range of Motion
- 11. Spine Range of Motion
- 12. Back Mechanics
- 13. Danger Zones
- 14. Anatomy of Proper Lifting
- 15. Anatomy of Proper Lifting If you are
- 16. Balance of Forces
- 17. Balance of Forces Without Weight ? lb
- 18. Balance of Forces With Weight ? lb
- 19. Equivalent Forces
- 20. Relative Disk Pressure
- 21. Relative Disk Pressure Sitting Posture
Back Injuries Statistics 25% of low back injuries account for 95% of costs of low back injuries NIOSH- 70% of general public will have back pain in their lifetime 80% of
Слайд 2Back Injuries Statistics
25% of low back injuries account for 95% of
costs of low back injuries
NIOSH- 70% of general public will have back pain in their lifetime
80% of back pain caused by inadequate exercise
Back injuries account for 25% of all WC claims and 33-44% of all WC costs
NIOSH- 70% of general public will have back pain in their lifetime
80% of back pain caused by inadequate exercise
Back injuries account for 25% of all WC claims and 33-44% of all WC costs
Слайд 4The spine is made up of 33 vertebrae. The upper 24
vertebrae are separated by a jelly filled layered ligaments called disks. These disks act as shock absorbers for the spine.
The facet joints are the back part of the vertebrae that form the channel for the spine.
The lumbar region are the five large vertebra composing the lower back, allowing the back to bend forward and back.
The facet joints are the back part of the vertebrae that form the channel for the spine.
The lumbar region are the five large vertebra composing the lower back, allowing the back to bend forward and back.
Слайд 15Anatomy of Proper Lifting
If you are out of physical shape can
also result in increased loads when we improperly lift.
Слайд 17Balance of Forces
Without Weight
? lb x 2 in = (65 lb
x 9 in) + (15 lb x 15 in) + (25 lb x 24 in)
? X 2 in = 1410 lbs
Force on Back = 705 lbs
Torso
Arms
Head
Слайд 18Balance of Forces
With Weight
? lb x 2 in = (65 lb
x 9 in) + (15 lb x 15 in) + (25 lb x 24 in) +(20 lb x 36 in)
? X 2in = 2130 lbs
Force on Back = 1065 lbs
Torso
Arms
Head
Object
