Lesson Notes By Weeks and Term v4 - SHS 1
Scientific Bases of Physical Activity
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Scientific Bases of Physical Activity
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Subject: Physical Education Health Elective
Class: SHS 1
Term: 2nd Term
Week: 7
Grade code: 1.2.3.LI.2
Strand code: 2
Sub-strand code: 3
Content standard code: 1.2.3.CS.1
Indicator code: 1.2.3.LI.2
Theme: Ph ysical Education
Subtheme: Scientific Bases of Physical Activity
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Welcome, learners! Today, we are moving beyond just playing sports and engaging in physical activities. We will explore the amazing science *behind* our movements. Have you ever wondered how a footballer like Mohammed Kudus can dribble so skillfully, or how an athlete can jump so high? The answers lie in understanding our own bodies. This lesson introduces you to Anatomy (the body's structure) and Physiology (the body's function). Understanding these concepts is crucial not just for becoming a better athlete, but for everyday activities like carrying a bucket of water, farming, or even dancing Adowa. It helps us move efficiently, improve performance, and most importantly, prevent injuries.
This topic is built on two key scientific fields: Anatomy and Physiology. A. What is Anatomy?
Anatomy is the study of the structure of the body and its parts. It's like looking at the map of a country or the blueprint of a building. It tells you *what* the parts are and *where* they are located. Example: Anatomy tells us that the long bone in your upper arm is called the humerus, and the two large muscles on either side of it are the biceps and triceps. It also tells us that the humerus connects to the bones of your lower arm at the elbow joint. B. What is Physiology?
Physiology is the study of the function of the body and its parts. It explains *how* the parts work together to make the body live and move. If anatomy is the blueprint, physiology is the explanation of how the building's electricity, plumbing, and doors actually work. Example: Physiology explains *how* the biceps muscle contracts (gets shorter and tighter) to pull on your lower arm bones, causing your elbow to bend. It also explains how your nerves send a signal from your brain to the muscle to make this happen.
Simple Analogy: Think of a car. Anatomy: Naming the parts - engine, wheels, steering wheel, seats. Physiology: Explaining how the engine burns fuel to turn the wheels, and how the steering wheel controls the direction.