motor development lecture kinesiology

Introduction to 3D Anatomy Programs and Cadaver Lab Experiences

  • Discussion of a 3D program that simulates dissection
  • Comparison of virtual dissections with real cadaver experiences

Warning and Preparation for Cadaver Viewing

  • Caution regarding graphic content (blood, body parts)
  • Engagement with students about their readiness

Observations from Cadaver Lab

  • Display of cadaver images from lab
  • Initial view of the abdominal cavity
    • Probe pointing to an aneurysm of the abdominal aorta
    • Size comparison: aneurysm akin to a softball
    • Normal size of the abdominal aorta: diameter equivalent to a quarter or half dollar
    • Measurement indicating 3-inch enlargement of the aorta
    • Definition of Aneurysm:
    • Aneurysm: An expansion of the artery wall, high risk of rupture leading to massive internal bleeding (4-minute survival post-rupture)
  • Context of the cadaver’s medical history
    • Cadaver not having died from the aneurysm; it did not rupture, but had a stent placed
    • Discussion of stents and surgical interventions
    • Purpose: Reinforce artery walls to prevent enlargement
    • Observation: Stent failure indicated by blood outside the stent
    • Cause of death attributed to cerebrovascular accident (stroke) due to high blood pressure

Importance of Anatomy Knowledge in Graduate Programs

  • Relevance of anatomy in various graduate programs (Medical, Dental, PA, PT, OT)
  • Emphasis on gross anatomy courses using cadaveric resources
  • Student feedback regarding anatomy preparedness at LSU Kinesiology
    • Benefits of prior anatomy experience in anatomy performance in graduate education
  • Risks for med students lacking prior anatomy exposure entering first semester

Personal Reflection and Life Lessons

  • Anecdote about the instructor’s three sons with diverse career interests
  • Encouragement for students to have flexible career plans and be open to new opportunities

Transition to Motor Behavior Unit

  • Opening of motor behavior discussion
  • Engagement with students for questions regarding previous topics (anatomy, cadaver lab)

Learning Objectives for Motor Behavior

  • Overview of motor behavior as a field of study
    • Focus on human movement and motor control
    • Interest in motor skill acquisition and development throughout the lifespan
    • Application of motor development theories across different life stages
    • Case example: Encouragement for maintaining motor skills in elderly relatives

Key Concepts in Motor Behavior

  • Behavioral aspects and motivational factors related to movement
  • Physiological importance of neural interactions and muscle function
  • Concept of the brain as a computer processing internal and external information

Theories in Motor Behavior

  • Dynamic Pattern Theory
    • Focus on internal and external systems, coordination, and motor development
  • Information Processing Theory
    • Emphasis on sensory input, decision-making, and movement timing
    • Relation to environmental feedback and reaction to stimuli

Motor Behavior Sub Disciplines

  • Three primary sub-disciplines within motor behavior:
    • Motor Control
    • Focus: Motor performance in real-time; observable actions; measuring periods of seconds
      • Definition: Motor Performance: Observable actions humans make when attempting tasks
    • Examination of physiological impacts, including disease effects on motor control
      • Example: Parkinson's Disease impacts on movement
      • Fitt's Law: Relationship between speed and accuracy; emphasis on trade-offs in performance
      • Open Loop Control vs. Closed Loop Control
      • Open Loop: Fast movements, pre-programmed brain messages (e.g., swinging a bat)
      • Closed Loop: Slower, feedback-driven adjustments (e.g., walking and responding to obstacles)
    • Motor Learning
    • Focus: Changes in performance over time, role of practice, given feedback
    • Importance of relatively permanent performance improvements due to effective practice setups
    • Challenge Point Framework: Balance of task difficulty to feedback for optimal learning
      • Involves providing appropriate challenges and feedback for learners at different skill levels
    • Motor Development
    • Focus: Long-term changes in motor skills over months to years
    • Considerations of human growth and development, related studies by authoritative agencies
    • Discussion on factors impacting development (e.g., screen time effects on motor skills)

Conclusion and Encouragement

  • Instructor encourages students to refrain from excessive screen time to promote better motor skill development
  • Closing remarks and transition to next topic.