Someone who is both mobile and immobile? - answer✔✔- Partial paralysis
- Advanced age
- Weakness
- Fractures
- Pregnancy
- Stroke
- Hemiplegia
- Paraplegic
When is immobility beneficial? - answer✔✔- After injury
- Recovering from illness
- Both reduce risk of aggravation
What is impaired mobility due to? - answer✔✔- Neurologic conditions (brain, spinal, nerves)
- Skeletal conditions
- Muscle conditions
- Joint conditions (cartilage, tendons, ligaments)
Age-Related Changes: Neurologic System - answer✔✔Thinning of intervertebral discs causing
spinal nerve compression
Age-Related Changes: Bone - answer✔✔- Decreased bone density and risk of fracture
- Vertebral collapse (kyphosis)
, BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
Age-Related Changes: Joints - answer✔✔- Degeneration of articular cartilage causing
osteoarthritis
- Stiffening of ligaments and joints
Age-Related Changes: Muscles - answer✔✔- Decreased muscle mass and strength
Osteoporosis - answer✔✔- Reduction of total bone mass
- Due to imbalance in bone remodelling
- Resorption > Formation
Bone Remodelling - answer✔✔-Existing bone is broken down and replaced by new bone
Activation: Osteoclasts stimulated by PTH, stress, glucocorticoids, etc.
Resorption: Osteoclasts break down bone and form a resorption cavity
Reversal: Switch from resorption to bone formation and the macrophages clear the cavity
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