Sports, Exercise & Health Science SL
Sports, Exercise & Health Science SL
18
Chapters
196
Notes
Chapter 1 - Musculoskeletal Anatomy
Chapter 1 - Musculoskeletal Anatomy
Chapter 2 - Cardio - Respiratory Exercise Physiology
Chapter 2 - Cardio - Respiratory Exercise Physiology
Chapter 3 - Nutrition & Energy Systems
Chapter 3 - Nutrition & Energy Systems
Chapter 4 - Movement Analysis
Chapter 4 - Movement Analysis
Chapter 5 - Skill In Sport
Chapter 5 - Skill In Sport
Chapter 6 - Measurement & Evaluation Of Human Performance
Chapter 6 - Measurement & Evaluation Of Human Performance
Chapter 7 - Training To Optimize Physiological Performance
Chapter 7 - Training To Optimize Physiological Performance
Chapter 8 - Environmental Factors & Performance
Chapter 8 - Environmental Factors & Performance
Chapter 9 - Non-Nutritional Ergogenic Aids
Chapter 9 - Non-Nutritional Ergogenic Aids
Chapter 10 - Individual Differences In Sport
Chapter 10 - Individual Differences In Sport
Chapter 11 - Motivation In Sport & Exercise
Chapter 11 - Motivation In Sport & Exercise
Chapter 12 - Arousal, Anxiety & Performance
Chapter 12 - Arousal, Anxiety & Performance
Chapter 13 - Psychological Skills Training
Chapter 13 - Psychological Skills Training
Chapter 14 - Overtraining, Stress & Burnout In Adolescent Athletes
Chapter 14 - Overtraining, Stress & Burnout In Adolescent Athletes
Chapter 15 - Physical Activity & Health
Chapter 15 - Physical Activity & Health
Chapter 16 - Nutrition For Sport & Exercise
Chapter 16 - Nutrition For Sport & Exercise
Chapter 17 - Internal Assessment & Practical Work
Chapter 17 - Internal Assessment & Practical Work
Chapter 18 - Perparing for your exams
Chapter 18 - Perparing for your exams
IB Resources
Chapter 4 - Movement Analysis
Sports, Exercise & Health Science SL
Sports, Exercise & Health Science SL

Chapter 4 - Movement Analysis

Unlocking the Secrets of The Nervous System

Word Count Emoji
624 words
Reading Time Emoji
4 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Neuron types understanding the players 💡

  • Sensory Neurons (a.k.a Afferent Neurons)

    • Carry signals to CNS.
    • Detect: body temp, blood pressure, oxygen levels, etc.
  • Motoneurons (a.k.a Efferent System)

    • Info from CNS to muscles.
    • Signal muscles to chill (relax) or party (contract).
    • 🎉 Fun fact: Around 200,000 in our body!
  • Interneurons

    • The mediators! Link afferent neurons to motoneurons.
    • They can hype up (excitatory) or calm down (inhibitory) neural signals.

🤔 Real-world example: Imagine a busy call center. Sensory neurons are like callers reporting data, motoneurons are like agents giving commands based on that data, and interneurons are the managers directing traffic between them!

Nervous system quick dive 🚀

  • General Overview

    • Made of millions of nerve fibers.
    • Carries tiny electrical signals.
  • Central Nervous System (CNS)

    • 🧠 Brain + Spinal Cord = CNS.
    • Major hub for sensing & control.
  • Peripheral Nervous System

    • Nerves running from the spinal column to other body parts.

🤔 Real-world example: Think of the CNS as the computer's central processor (CPU) and the peripheral nervous system as the cables connecting peripherals like a keyboard and mouse.

Neuron anatomy dive into details ✨

  • Soma (Cell Body)

    • Resides in spinal cord or close clusters named ganglia.
  • Dendrites

    • Connect neurons, sharing the latest gossip (information).
  • Axon

    • Nerve signal's superhighway.
    • Rocking a protective coat, the myelin (keeps signals safe & sound).
    • Myelin has rest stops called nodes of Ranvier for signal boost!
  • Neuromuscular Junction

    • Where neuron and muscle meet and greet.
    • Between them is the synapse, a tiny gap for passing the electrical 'hello' to the muscle.

🤔 Real-world example: Imagine the axon as an insulated electric wire. The myelin is like the plastic coating, and the nodes of Ranvier are like the copper bits peeking through for better conductivity!

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Sports, Exercise & Health Science SL. Subscribe now and get closer to that 45 🌟

Nail IB's App Icon
IB Resources
Chapter 4 - Movement Analysis
Sports, Exercise & Health Science SL
Sports, Exercise & Health Science SL

Chapter 4 - Movement Analysis

Unlocking the Secrets of The Nervous System

Word Count Emoji
624 words
Reading Time Emoji
4 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Neuron types understanding the players 💡

  • Sensory Neurons (a.k.a Afferent Neurons)

    • Carry signals to CNS.
    • Detect: body temp, blood pressure, oxygen levels, etc.
  • Motoneurons (a.k.a Efferent System)

    • Info from CNS to muscles.
    • Signal muscles to chill (relax) or party (contract).
    • 🎉 Fun fact: Around 200,000 in our body!
  • Interneurons

    • The mediators! Link afferent neurons to motoneurons.
    • They can hype up (excitatory) or calm down (inhibitory) neural signals.

🤔 Real-world example: Imagine a busy call center. Sensory neurons are like callers reporting data, motoneurons are like agents giving commands based on that data, and interneurons are the managers directing traffic between them!

Nervous system quick dive 🚀

  • General Overview

    • Made of millions of nerve fibers.
    • Carries tiny electrical signals.
  • Central Nervous System (CNS)

    • 🧠 Brain + Spinal Cord = CNS.
    • Major hub for sensing & control.
  • Peripheral Nervous System

    • Nerves running from the spinal column to other body parts.

🤔 Real-world example: Think of the CNS as the computer's central processor (CPU) and the peripheral nervous system as the cables connecting peripherals like a keyboard and mouse.

Neuron anatomy dive into details ✨

  • Soma (Cell Body)

    • Resides in spinal cord or close clusters named ganglia.
  • Dendrites

    • Connect neurons, sharing the latest gossip (information).
  • Axon

    • Nerve signal's superhighway.
    • Rocking a protective coat, the myelin (keeps signals safe & sound).
    • Myelin has rest stops called nodes of Ranvier for signal boost!
  • Neuromuscular Junction

    • Where neuron and muscle meet and greet.
    • Between them is the synapse, a tiny gap for passing the electrical 'hello' to the muscle.

🤔 Real-world example: Imagine the axon as an insulated electric wire. The myelin is like the plastic coating, and the nodes of Ranvier are like the copper bits peeking through for better conductivity!

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Sports, Exercise & Health Science SL. Subscribe now and get closer to that 45 🌟