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Ergonomics Exam #2
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Gravity
Terms in this set (41)
Rehmert curve
relationship between force and time
Static
no movement; not useful work; stationary
Dynamic
Movement; useful work = force x distance
Want dynamics-> equal bloodflow
Heart rate
Static: increase
Dynamic: decrease
O2
S: anaerobic
D: aerobic
Energy Consumption
S: Increase
D: Decrease
Musclar force
S: decrease
D: increase
Blood flow
S: Decrease
D: Increase
Blood Pressure
S: Increase
D: Decrease
Muscle soreness
S: Increase
D: Decrease
Static bloodflow
@60% MVC: flow almost stops
<60%: some bloodflow b/c muscle tension decreases
15to20%: blood flow is normal
Pain due to standing in one place
feet, legs, vericose veins
Pain due to ditting errect without back support
extensor muscles of back
Pain due to seat too high
knee, calf, foot
Pain due to seat too loe
shoulders, neck
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Verified questions
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What does a child consider to be "good" in stage 2 of Kohlberg's theory?
QUESTION
Which term is defined as all the thoughts and feelings we have in response to the question, "Who am I?" a. self-concept. b. Ideal self. c. Self-esteem. d. Real-self. e. Self-efficacy.
QUESTION
Explain the three sides of evidence-based clinical decision making.
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A family uses the microwave to prepare their cat's food. The cat comes running into the room when the microwave timer sounds, but not when it hears the oven timer. The cat is demonstrating the concept of a. generalization. b. discrimination. c. spontaneous recovery. d. extinction. e. habituation.
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