Exam 6 - Need for Mobility Flashcards
Inability to move about freely
Immobility
The ability to move about freely
Mobility
What is mobility?
Interaction of bones, muscles, and nervous system
Four components of body mechanics
Body alignment
Balance
Coordination
Joint mobility
What three physiological systems must successfully interact for movement to occur?
Skeletal system
Muscular system
Nervous system
What is the leading cause of disability in the United States?
Arthritis
What account for more than 420,000 hospitalizations yearly among the elderly?
Falls
What is the most common musculoskeletal condition that necessitates hospitalizations in patients who are at least 65 years of age?
Hip fracture
How many bones are in the body?
206
How much of your bodies calcium is present in bones?
98%
How much calcium is recommended for daily intake for appropriate bone mass?
1500 mg
What stimulates bone formation and remodeling?
Weight-bearing
Where does body movement occur?
Joints
What is the breakdown or weakness of muscles due to nonuse?
Atrophy
How quickly does muscle strength decrease when confined in bed?
7 to 10% of muscle strength is lost per week
How much of your bodyweight the skeletal muscle comprise?
40 to 50%
What controls the movement of the musculoskeletal system?
The nervous system
What are regulated by the nervous system? Two things
Movement
Posture
What controls involuntary muscles such as heart and glands?
Autonomic nervous system
What system controls voluntary skeletal muscles?
Somatic nervous system
What type of immobility is expected to end, caused by broken bones, bedrest, surgery recovery?
Temporary
What type of immobility is not temporary caused by stroke, paralysis, loss of limbs?
Permanent