KIN 240 Handout 10
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Questions and Answers

What is one of the metabolic responses to physical activity?

  • Increased uptake of sugar and fat from the blood stream (correct)
  • Decreased release of cytokine inhibitors
  • Decreased uptake of sugar and fat from the blood stream
  • Increased storage of excess energy in adipose tissue

How does sedentary behavior affect inflammation levels?

  • Has no impact on cytokine levels
  • Reduces inflammation levels effectively
  • Elevates cytokine levels leading to chronic low-grade inflammation (correct)
  • Triggers an anti-inflammatory response

What is a consequence of long periods of inactivity?

  • Enhances muscle function
  • Triggers an inflammatory response (correct)
  • Reduces damage to tissues in the arteries
  • Increases physical activity efficiency

Which period in history marks the transition to larger, agricultural settlements?

<p>Neolithic Agricultural Revolution (10,000 – 8,000 B.C.) (C)</p> Signup and view all the answers

What were some developments during the Neolithic Agricultural Revolution?

<p>Animal and plant domestication, and the invention of the plow (B)</p> Signup and view all the answers

How are human physiologic systems biased in terms of energy efficiency?

<p>Highly energy efficient with minimal physical activity but adapted for greater efficiency when moving (D)</p> Signup and view all the answers

What is a major issue mentioned in the text regarding the unique abilities of individuals within certain populations?

<p>The perception that these abilities can be achieved without any training (C)</p> Signup and view all the answers

Why are the specialized abilities more frequent in certain populations compared to typical western societies?

<p>Reflecting cultural need/opportunity (B)</p> Signup and view all the answers

What does the text imply about the myth surrounding the exceptional feats of some individuals within certain populations?

<p>That training is not required to accomplish such feats (C)</p> Signup and view all the answers

Why do only a few select individuals within certain populations exhibit exceptional capabilities?

<p>Because of personal interest and dedication (C)</p> Signup and view all the answers

What does the text suggest about the daily lives of individuals in typical western societies?

<p>They involve engaging in physical labor and psychological challenges (C)</p> Signup and view all the answers

What is one reason why specialized abilities are slightly more frequent in certain populations than in typical western societies?

<p>Cultural need/opportunity for survival imperatives (D)</p> Signup and view all the answers

What locomotion pattern requires half the energy expenditure in mammalian quadrupeds as compared to human bipedalism at maximum speed?

<p>Mammalian quadruped locomotion at maximum speeds (C)</p> Signup and view all the answers

Which adaptation is mentioned as contributing to human endurance activity?

<p>Reduced body hair (A)</p> Signup and view all the answers

Which type of locomotion may have specifically biased selection towards enhancing aspects of endurance?

<p>Human bipedalism (B)</p> Signup and view all the answers

Which characteristic is NOT mentioned as an adaptation for human endurance activity?

<p>Decreased metabolic adaptations (D)</p> Signup and view all the answers

What type of locomotion requires only half the energy expenditure in humans as compared to mammalian quadrupeds at typical locomotion speeds?

<p>Human bipedalism at typical speeds (C)</p> Signup and view all the answers

Which aspect aligns with selection to enhance efficiency for endurance activity according to the text?

<p>Adaptations for sedentary behavior (B)</p> Signup and view all the answers

What was a turning point in human history mentioned in the text?

<p>Medical advancements fighting infectious diseases (A)</p> Signup and view all the answers

How did the opportunity for a larger portion of the population to engage in less physical activity come about?

<p>At the expense of a smaller number of individuals increasing physical activity (C)</p> Signup and view all the answers

What did the medical advancements help a larger portion of the population do?

<p>Survive infections (B)</p> Signup and view all the answers

What does the text suggest about the relationship between infectious diseases and physical activity?

<p>Surviving infections enabled people to avoid physical activity (D)</p> Signup and view all the answers

What crucial threats to health and wellbeing were enabled by the changes described in the text?

<p>Emergence of critical health threats (B)</p> Signup and view all the answers

What is a common theme among prominent Chinese, Indian, Plato, Socrates, and Confucius philosophers when it comes to mental health?

<p>Encouraging physical activity as a means to improve mental health (A)</p> Signup and view all the answers

During the fifteen to seventeenth centuries, why did educators and philosophers encourage activity within the middle and upper classes?

<p>To promote values and character development (A)</p> Signup and view all the answers

What does the existence of historical evidence regarding physical activity in various civilizations suggest about those populations?

<p>Some exhibited lower levels of physical activity (A)</p> Signup and view all the answers

What was the primary focus when engaging in physical activity during ancient times according to the text?

<p>Improving combat skills (D)</p> Signup and view all the answers

What concept aligns with engaging in physical activity to specifically incur adaptations in health and skills?

<p>Exercise (D)</p> Signup and view all the answers

What behavior appears to be uniquely human with regards to engaging in physical activity for specific benefits?

<p>Training for specific adaptations in health and skills (B)</p> Signup and view all the answers

What is the common assertion made by gym-bros and fitness enthusiasts regarding civilization and modern society's impact on physical abilities?

<p>That civilization has reduced natural physical abilities (C)</p> Signup and view all the answers

From an evolutionary perspective, what type of physical activity is more normal?

<p>Pushing the body to do nonessential physical activity (C)</p> Signup and view all the answers

What term is used in the text to describe a belief based on intuition or desire rather than evidence?

<p>Truthiness (C)</p> Signup and view all the answers

What do gym-bros and fitness enthusiasts often point to as evidence that people could have greater athletic abilities without modern society?

<p>Select individuals from less westernized populations (C)</p> Signup and view all the answers

What does the text suggest about the myth of the Athletic Early Human?

<p>It is a notion without substantial supporting evidence (D)</p> Signup and view all the answers

What is the implication of setting aside modern society's influence on physical abilities?

<p>Improved natural physical abilities (B)</p> Signup and view all the answers

What would be the physical activity level (PAL) for an individual with a metabolic rate of 1600 kcals, consuming 2000 kcals of food, and expending 800 kcals through physical activity?

<p>1.6 BMR (D)</p> Signup and view all the answers

What is the physical activity level (PAL) observed in chimpanzees?

<p>1.5 (B)</p> Signup and view all the answers

What is the primary focus of human evolution in terms of physical activity, as mentioned in the text?

<p>Minimizing unnecessary physical activity (A)</p> Signup and view all the answers

Which population exhibits a Physical Activity Level (PAL) close to that of construction workers?

<p>Subsistence farmers (A)</p> Signup and view all the answers

What appears to be a distinguishing characteristic of humans and primates compared to other mammals?

<p>Aversion to unnecessary physical activity (D)</p> Signup and view all the answers

What does the text imply about the relationship between energy intake, expenditure, and Physical Activity Level (PAL)?

<p>PAL increases with energy expenditure and decreases with energy intake (A)</p> Signup and view all the answers

In terms of energy expenditure, how does human bipedalism compare with mammalian quadruped locomotion at maximum speed?

<p>Human bipedalism requires more energy than mammalian quadruped locomotion. (D)</p> Signup and view all the answers

What adaptation contributes to human endurance activity according to the text?

<p>Increased mitochondrial concentrations (C)</p> Signup and view all the answers

How does the pattern of energy expenditure change when comparing human bipedalism with mammalian quadruped locomotion at typical speeds?

<p>Human bipedalism requires significantly less energy than mammalian quadrupeds. (B)</p> Signup and view all the answers

What is suggested as a consequence of the adaptations for endurance activity that humans possess?

<p>Increased susceptibility to overheating (C)</p> Signup and view all the answers

Which adaptation aligns with the selection to enhance efficiency for endurance activity according to the text?

<p>Increased vascularization (C)</p> Signup and view all the answers

What aspect of human locomotion patterns may have been influenced by enhancing aspects of endurance?

<p>Shifting towards bipedalism (D)</p> Signup and view all the answers

What is one of the key differences in how modern humans engage in sedentary behavior compared to non-human great apes?

<p>Modern humans spend more time sitting than non-human great apes. (D)</p> Signup and view all the answers

How does energetically sitting with your back against a back rest compare to laying down in terms of energy requirement?

<p>Sitting with back support requires 4% more energy than laying down. (B)</p> Signup and view all the answers

Which hypothesis suggests that human physiology is adapted for consistent muscle activity throughout the day?

<p>Inactivity Mismatch Hypothesis (B)</p> Signup and view all the answers

What do hunter-gatherer populations, subsistence farmers, and preindustrialized societies have in common regarding sitting?

<p>They all spend about nine to ten hours sitting per day. (C)</p> Signup and view all the answers

What is a consequence of humans acquiring physiologic adaptations to enhance endurance?

<p>Increased dependency on physical activity. (D)</p> Signup and view all the answers

How does the energy expenditure of hunter-gatherer populations compare to non-human great apes while foraging for food?

<p>Hunter-gatherer populations and non-human great apes exhibit similar levels of energy expenditure. (A)</p> Signup and view all the answers

How does the dominant modern perspective explain the critical period coinciding with the early origins of hunting and gathering?

<p>By pointing to changes in pelvic anatomy reducing energetic needs. (A)</p> Signup and view all the answers

What adaptation allowed humans to forage across larger areas and thrive in habitats with lesser food densities according to the text?

<p>Fully upright bipedal locomotion patterns (A)</p> Signup and view all the answers

Why do non-human great apes not develop obesity-related diseases, diabetes, high blood pressure, coronary artery disease, or heart diseases despite low physical activity levels?

<p>As they spend approximately ten hours sedentary or in very light activity like grooming or eating. (A)</p> Signup and view all the answers

How do non-human great apes primarily spend their time according to the text?

<p>Sleeping for about ten hours and engaging in sedentary or light activities like grooming and eating. (D)</p> Signup and view all the answers

What classification of physical activity level (PAL) would an individual fall under if they have a PAL of 1.75?

<p>Moderately active (A)</p> Signup and view all the answers

If an individual has a PAL of 2.5, what classification of physical activity level do they belong to?

<p>Extremely active (B)</p> Signup and view all the answers

Which range of PAL would classify someone as sedentary according to the World Health Organization?

<p>1.4 - 1.69 (A)</p> Signup and view all the answers

What type of physical activity level is someone classified under if they have a PAL of 2.1?

<p>Vigorously active (D)</p> Signup and view all the answers

An individual with a PAL greater than 3.0 would be classified as:

<p>Extremely active (A)</p> Signup and view all the answers

What is the author's main criticism of using examples like the Tarahumara, Sherpa, and Bajau to make assertions about early human physical capabilities?

<p>They represent extreme situations rather than the norm. (D)</p> Signup and view all the answers

What poses a challenge when comparing the physical capabilities of select populations with those from industrialized societies?

<p>Differences in population-level adaptations. (B)</p> Signup and view all the answers

Which adaptation mentioned in the text has propagated across generations to enhance success within certain environmental niches?

<p>Enlarged spleens. (D)</p> Signup and view all the answers

What aspect of the myth surrounding the exceptional feats of some individuals does the text emphasize?

<p>The reliance on anecdotal evidence. (B)</p> Signup and view all the answers

How do enhanced aspects of endurance activity influence human locomotion patterns according to the text?

<p>By reducing energy expenditure. (C)</p> Signup and view all the answers

What is one key reason why using non-industrial peoples as examples can be misleading when making assertions about early human physical capabilities?

<p>Their adaptations to harsh environments. (C)</p> Signup and view all the answers

What does research suggest about the energy expenditure of human bipedalism compared to mammalian quadruped locomotion patterns at maximum speed?

<p>Human bipedalism requires less energy than mammalian quadruped locomotion. (A)</p> Signup and view all the answers

What is the physiological response to physical activity that combats excess energy storage?

<p>Increased uptake of sugar and fat from the blood stream (D)</p> Signup and view all the answers

What adaptation contributes to human endurance activity, as mentioned in the text?

<p>Increased mitochondrial concentrations. (A)</p> Signup and view all the answers

What is the main consequence of long periods of inactivity according to the text?

<p>Elevated levels of cytokines leading to chronic low-grade inflammation (D)</p> Signup and view all the answers

How does the stride length of humans contribute to their endurance activity?

<p>Greater stride length enhances endurance activity. (B)</p> Signup and view all the answers

What distinguishes the Neolithic Agricultural Revolution according to the text?

<p>Transition to larger, agricultural settlements (C)</p> Signup and view all the answers

What is the primary implication of human physiologic systems being energy efficient?

<p>Adapted for minimal physical activity and efficiency when needed (A)</p> Signup and view all the answers

Which aspect of human physiology aligns with enhancing efficiency for endurance activity according to the text?

<p>Increased vascularization. (B)</p> Signup and view all the answers

What effect does sedentary behavior have on inflammation levels?

<p>Results in chronic low-grade inflammation (D)</p> Signup and view all the answers

What is one reason why humans exhibit lower maximal speeds compared to other mammals?

<p>Humans possess metabolic adaptations for endurance. (D)</p> Signup and view all the answers

What was a significant focus during the Neolithic Agricultural Revolution?

<p>Agricultural developments including animal and plant domestication (D)</p> Signup and view all the answers

How are human locomotion patterns biased according to the text?

<p>Biased towards enhancing aspects of endurance. (A)</p> Signup and view all the answers

What shift in human history is mentioned in the text as the period when some individuals began engaging in less physical activity?

<p>Neolithic Agricultural Revolution (B)</p> Signup and view all the answers

In ancient China and India, what was emphasized as a way of promoting longevity, avoiding dysfunction, and controlling the mind and emotions?

<p>Movement practices (C)</p> Signup and view all the answers

What historical evidence serves as the earliest indication of what would later become sports medicine?

<p>Ancient China and India (D)</p> Signup and view all the answers

During what time period was there a general awareness that being physically active was beneficial for health and wellbeing?

<p>Fifteenth to seventeenth centuries (B)</p> Signup and view all the answers

Which historical event marks a critical transition period where a mismatch started to occur between physiological attributes optimized for movement and the opportunity to avoid physical activity?

<p>Neolithic Agricultural Revolution (D)</p> Signup and view all the answers

What key aspect of human history is associated with the beginning of the opportunity for some people to engage in less physical activity?

<p>Neolithic Agricultural Revolution (B)</p> Signup and view all the answers
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