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Body Physics: Motion to Metabolism: Prepare Your Strategy

Body Physics: Motion to Metabolism
Prepare Your Strategy
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table of contents
  1. Cover
  2. Title Page
  3. Copyright
  4. Dedication
  5. Table Of Contents
  6. Why Use Body Physics?
  7. When to use Body Physics
  8. How to use Body Physics
  9. Tasks Remaining and Coming Improvements
  10. Who Created Body Physics?
  11. Unit 1: Purpose and Preparation
    1. The Body's Purpose
    2. The Purpose of This Texbook
    3. Prepare to Overcome Barriers
    4. Prepare to Struggle
    5. Prepare Your Expectations
    6. Prepare Your Strategy
    7. Prepare Your Schedule
    8. Unit 1 Review
    9. Unit 1 Practice and Assessment
  12. Unit 2: Measuring the Body
    1. Jolene's Migraines
    2. The Scientific Process
    3. Scientific Models
    4. Measuring Heart Rate
    5. Heart Beats Per Lifetime
    6. Human Dimensions
    7. Body Surface Area
    8. Dosage Calculations
    9. Unit 2 Review
    10. Unit 2 Practice and Assessment
  13. Unit 3: Errors in Body Composition Measurement
    1. Body Mass Index
    2. The Skinfold Method
    3. Pupillary Distance Self-Measurement
    4. Working with Uncertainties
    5. Other Methods of Reporting Uncertainty*
    6. Unit 3 Review
    7. Unit 3 Practice and Assessment
  14. Unit 4: Better Body Composition Measurement
    1. Body Density
    2. Body Volume by Displacement
    3. Body Weight
    4. Measuring Body Weight
    5. Body Density from Displacement and Weight
    6. Under Water Weight
    7. Hydrostatic Weighing
    8. Unit 4 Review
    9. Unit 4 Practice and Assessment
  15. Unit 5: Maintaining Balance
    1. Balance
    2. Center of Gravity
    3. Supporting the Body
    4. Slipping
    5. Friction in Joints
    6. Tipping
    7. Human Stability
    8. Tripping
    9. Types of Stability
    10. The Anti-Gravity Lean
    11. Unit 5 Review
    12. Unit 5 Practice and Assessment
  16. Unit 6: Strength and Elasticity of the Body
    1. Body Levers
    2. Forces in the Elbow Joint
    3. Ultimate Strength of the Human Femur
    4. Elasticity of the Body
    5. Deformation of Tissues
    6. Brittle Bones
    7. Equilibrium Torque and Tension in the Bicep*
    8. Alternative Method for Calculating Torque and Tension*
    9. Unit 6 Review
    10. Unit 6 Practice and Assessment
  17. Unit 7: The Body in Motion
    1. Falling
    2. Drag Forces on the Body
    3. Physical Model for Terminal Velocity
    4. Analyzing Motion
    5. Accelerated Motion
    6. Accelerating the Body
    7. Graphing Motion
    8. Quantitative Motion Analysis
    9. Falling Injuries
    10. Numerical Simulation of Skydiving Motion*
    11. Unit 7 Review
    12. Unit 7 Practice and Assessment
  18. Unit 8: Locomotion
    1. Overcoming Inertia
    2. Locomotion
    3. Locomotion Injuries
    4. Collisions
    5. Explosions, Jets, and Rockets
    6. Safety Technology
    7. Crumple Zones
    8. Unit 8 Review
    9. Unit 8 Practice and Assessment
  19. Unit 9: Powering the Body
    1. Doing Work
    2. Jumping
    3. Surviving a Fall
    4. Powering the Body
    5. Efficiency of the Human Body
    6. Weightlessness*
    7. Comparing Work-Energy and Energy Conservation*
    8. Unit 9 Review
    9. Unit 9 Practice and Assessment
  20. Unit 10: Body Heat and The Fight for Life
    1. Homeostasis, Hypothermia, and Heatstroke
    2. Measuring Body Temperature
    3. Preventing Hypothermia
    4. Cotton Kills
    5. Wind-Chill Factor
    6. Space Blankets
    7. Thermal Radiation Spectra
    8. Cold Weather Survival Time
    9. Preventing Hyperthermia
    10. Heat Death
    11. Unit 10 Review
    12. Unit 10 Practice and Assessment Exercises
  21. Laboratory Activities
    1. Unit 2/3 Lab: Testing a Terminal Speed Hypothesis
    2. Unit 4 Lab: Hydrostatic Weighing
    3. Unit 5 Lab: Friction Forces and Equilibrium
    4. Unit 6 Lab: Elastic Modulus and Ultimate Strength
    5. Unit 7 Lab: Accelerated Motion
    6. Unit 8 Lab: Collisions
    7. Unit 9 Lab: Energy in Explosions
    8. Unit 10 Lab: Mechanisms of Heat Transfer
  22. Design-Build-Test Projects
    1. Scale Biophysical Dead-lift Model
    2. Biophysical Model of the Arm
    3. Mars Lander
  23. Glossary

6

Prepare Your Strategy

Multitasking

Humans can complete more than one simple task at one time, which is called multitasking. For example if you were to walk and chew gum you would be multitasking. However, multitasking when one or more of the tasks are even slightly complex rarely saves time and usually results in lower quality outcomes.

Reinforcement Activity

Use a stopwatch to time yourself while you write down each letter of the alphabet in a row and then below that write each number from 1-26 in a row. Record your time on your paper.

Next you will recreate the same two rows of letters and number as before, only this time you will write a letter on the top row, then a number below, then a letter above, and so on. You’ve already done this once so if multitasking really is more efficient then you should be faster this time. Record your time for this trial.

Were you faster when multitasking? Was the quality of your work higher?

Don’t multitask when studying. Spend at least twenty minutes of focused work on a single topic, then take a few minutes of relaxed reflection on your work before moving on to a new task. Even listening to music might be distracting if you are actively listening to the lyrics or trying to decide if you like the song. If you notice yourself thinking about the music and not the subject you are studying, you may need to try something new.

Feedback

While new to a topic you don’t yet have the tools to correctly evaluate your own progress toward understanding. Put simply, when first starting out you don’t know what you don’t know, which can lead to overestimating your level of preparation until after an exam or other heavily weighted assignment. Receiving feedback on your progress early and often will help you to avoid this barrier to success. Your instructor might provide early and often feedback in the form of quizzes, online homework, tutorials, in-class practice problems, and clicker questions, to name a few. You should actively seek out early and often feedback by attempting the example problems in the book before looking at the solutions, starting your homework early, and asking questions during your instructor’s office hours.

In order to make the most of the feedback you receive you should practice metacognition. In other words, don’t just think, also think about how you are thinking[1]. When learning something new, consider why you are going to learn it. Make a plan for how to learn it. Assess your progress in learning it and identify ways to improve your plan. When you think you already know something, stop and ask yourself how, why, and when you came to know it. Reflect on what information that knowledge is based, where the information came from, and how you might verify the information. Metacognition can help you recognize when you don’t yet have enough information to make a good decision, so it might significantly improve your learning and help you avoid barriers to success, both in school and in life. For more information check out this detailed resource on metacognition.

Study Strategy

You should adopt a study strategy that avoids multitasking, but includes early and often feedback along with meta-cognition (just by reading this section you are already engaging in light metacognition). Start by first attempting to understand concepts with aid from various resources. Assess your knowledge by applying it to new situations, and then use the assessment results for metacognition. Seek help from your instructor on concepts that aren’t yet clear. Review material that you figured out you don’t yet know, and then repeat. The various activities in your courses are already structured to facilitate exactly that process.  The diagram below is an example study cycle that would likely be effective in most science courses. Notice that the majority of activities provide feedback. Anytime feedback is provided you should employ metacognition and evaluate the effectiveness of your study methods. The chart that follows gives specific tips on maximizing the impact of each part of the cycle.

A timeline of an example study cycle. The order of activities is: read, play with simulations, start homework, watch videos, ask question in lecture, visit office hours, take quizzes and do pre-labs, continue homework, work on labs, tutorials, and projects, continue homework, visit office hours, finish homework, repeat. Each stage of the cycle fulfills one or more of the following tasks: information transfer, self-paced practice, interactive practice, assessment and feedback.
Effective study cycle. the color coded legend bubbles indicate the purpose behind activities in introductory courses. The totals at the bottom indicate the number of activities that fulfill each purpose. Notice that most activities provide some form of feedback that can be used in a metacognitive process.
WATCHWrite down questions about what you didn’t understand.

Write down words and concepts that seem important so that you can look for those during lecture and while reading.

ATTENDAttend lectures and pay attention. Ignore your phone and stay awake.

Try not to take comprehensive notes. Instead actively process lecture material by relating it to your own experiences, anticipating the instructor’s next move, participating in practice calculations, and asking questions.

Only write down the most important and most confusing ideas so you can revisit them later.

READUse the textbook/instructor’s notes as your primary resource, not your own notes.

Read the chapter outcomes so you know what you are expected to learn

Look up words you don’t know and write down questions you have so you can ask during lecture or office hours.

Look out for the concepts you wrote down from videos and lecture.

Don’t skip example problems and example scenarios.

If a question is asked, stop and answer it out loud or in writing.

ASSESSDo what you can to contribute equally to labs and projects. Check to see if you can explain to others how lab activities and projects are related to specific concepts.

Try to solve example problems in the book without looking at the solution first.

Start your homework early. See how far you can get on your own before asking for help. Use this as an indicator of gaps in your knowledge.

Ask your instructor or a tutor for homework help before asking classmates. They will help you fill in knowledge gaps differently than classmates will.

Work on homework with your classmates. Don’t look at solutions from classmates who are already finished or solutions posted/provided on-line. These will prevent you from accurately evaluating your level of preparation.

Take in-class questions and quizzes seriously. Use your scores to tell you what you need to study again.

Check your overall grade often and talk with your instructor about your progress and your goals.

ADJUSTUse your exam and overall grade to determine if your study strategy is working. Ask your instructor for help making adjustments if it’s not.
REVIEWUse the results of your evaluations to determine what specific material you need to review and ask your instructor about.
REPEATRepeat this cycle for each week, chapter, module, or other method of organizing material used by your instructor.

You should also repeat the previous three steps prior to an exam.


  1. "Metacognition" by Nancy Chick, Vanderbilt Center for Teaching and Learning is licensed under CC BY 4.0 ↵

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Copyright © 2020 by Lawrence Davis. Body Physics: Motion to Metabolism by Lawrence Davis is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.
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