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What do the proper use of body mechanics do?
1. protect self and patient from injury
2. reduce physiological and anatomical stress and strain to your body
3. conserves energy
4. allows you to effectively manage and move equipment, supplies, and patients
5. form good habits to maintain comfort, ease of movement, and consistency of movement
What are the 4 regions of the spinal column?
- sacral and coccygeal
What 2 regions of the spinal column curve anterior?
What 2 regions of the spinal column curve posterior?
- sacral and coccygeal
What condition causes an increased posterior curve in the thoracic region?
kyphosis (stuped over)
What condition causes an increased anterior curve of the lumbar region?
What condition causes a lateral curve of the spine?
*compensatory curve in opposite direction of scoliosis curve
What are the 2 types of articulations joints?
What type of joint is between the vertebral discs?
What type of joint is a facet joint?
What do facet joints do?
control the amount and direction of movement
What allows flexibility in your spine and acts as a shock absorber?
disc (jelly-like surrounded by tough rubber-like bands that are attached to the bones)
What is the symphysis between the vertebral bodies?
What are the 2 components of intervertebral discs?
- annulus fibroses - toward outer layer
- nucleus pulposus - inside; gum-like consistancy
What are the ligaments around the intervertebral symphysis for?
tough and inelastic for stability
What are the ligaments around the vertebral arch for?
elastic and stretchable for movement
Extensor muscles are normally located on which side of the body (anterior/posterior)?
Flexor muscles are normally located on which side of the body (anterior/posterior)?
What is the 2 different forced that act in opposite directions to stabilize a body part?
pelvic force couple
What muscles are included in the pelvic force couple?
- abdominals - trunk flexors
- hip flexors - anterior
- quads - hip flexor, anterior
- gluteals - posterior
- hamstrings - posterior
What are the 6 natural causes of back pain?
- poor posture and positioning
- lack of muscle strength and flexibility
How does gravity effect body mechanics?
exerts downward force on pelvis ->pulls it forward ->increases lumbar lordosis
*if abdominals are weak or hip flexors are tight, the force of gravity is not counteracted
What are the 5 things to do before lifting, pushing, or pulling something?
- 1. determine best method
- 2. path clear and established
- 3. distance and assistance needed
- 4. assistants instructed before the move
- 5. expect the unexpected!!
What would you like to do?
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