Welcome to Skill Acquisition!
In this chapter, we are diving into the world of Skill Acquisition. Specifically, we are looking at how we classify different types of physical skills.
Think of this like sorting a giant collection of music. You don't just have "music"; you have genres like pop, rock, and jazz. In PE, we don't just have "skills"; we use scales (called continua) to help us understand exactly what kind of skill we are dealing with. Why? Because once a coach knows what kind of skill it is, they know the best way to teach it!
What is a Continuum?
Before we start, don't let the word "continuum" (plural: continua) scare you. It simply means a scale or a line between two extremes.
Analogy: Think of a volume knob on a speaker. It’s not just "on" or "off." It’s a scale from 1 to 10. Most skills aren't 100% one thing or the other; they sit somewhere along the line.
Quick Review: We classify skills on a scale (continuum) rather than just putting them in a single box.
1. The Difficulty Continuum: Simple vs. Complex
This scale looks at how much information processing and decision-making is required to perform the skill.
Simple Skills
These skills have very few sub-routines (parts) and require little thinking or timing.
Example: A straight sprint or a chest pass in netball with no defenders around.
Complex Skills
These have many sub-routines, require high levels of concentration, and involve many decisions.
Example: A somersault in gymnastics or a slip catch in cricket.
Key Takeaway: If it’s easy to think about and do, it’s simple. If it requires a lot of brainpower and moving parts, it’s complex.
2. The Environmental Influence: Open vs. Closed
This is all about how much the surroundings (the environment) affect the skill.
Open Skills
The environment is constantly changing. You have to adapt your movements based on what others are doing.
Example: A pass in a game of rugby. You have to watch where your teammates and defenders are.
Closed Skills
The environment is stable and predictable. You can perform the skill the same way every time.
Example: A free throw in basketball or a shot put throw.
Did you know? Weather can turn a closed skill into a slightly more open one! A golfer normally performs a closed skill, but a sudden gust of wind forces them to adapt.
3. The Pacing Continuum: Self-Paced vs. Externally Paced
This scale focuses on who controls the timing and speed of the skill.
Self-Paced Skills
The performer decides when to start and how fast to go.
Example: A tennis serve or a javelin throw.
Externally Paced Skills
The timing is determined by something outside of your control, like an opponent or the environment.
Example: Receiving a serve in tennis or a goalkeeper trying to save a penalty.
Memory Aid: Self = Start whenever you want. External = Everyone else decides.
4. The Muscular Involvement: Gross vs. Fine
This looks at the size of the muscles used and the precision required.
Gross Skills
These involve large muscle groups and powerful movements. Precision is less important than power.
Example: A rugby tackle, a high jump, or a weightlift.
Fine Skills
These involve small muscle groups and require high levels of hand-eye coordination and precision.
Example: Throwing a dart, a snooker shot, or a spin bowl in cricket.
Quick Review: Big muscles = Gross. Small muscles/high precision = Fine.
5. The Continuity Continuum: Discrete, Serial, vs. Continuous
This looks at whether the skill has a clear beginning and end.
Discrete Skills
Skills that have a very clear start and finish. They are short and sharp.
Example: A penalty flick in hockey or a golf swing.
Serial Skills
A group of discrete skills linked together to create a more complex movement.
Example: A triple jump (hop, step, and jump are three discrete skills linked together).
Continuous Skills
Skills that have no clear beginning or end. The end of one cycle is the start of the next.
Example: Cycling, swimming, or running.
Common Mistake to Avoid: Don't confuse "serial" with "continuous." Remember, Serial is like a Series of separate events (like a TV series), while Continuous is like a circle that never stops.
6. The Organisation Continuum: Low vs. High
This looks at how easily the skill can be broken down into parts.
Low Organisation Skills
These skills are made of many parts that can be easily separated and practiced on their own.
Example: A swimming stroke (you can practice the leg kick on its own with a float).
High Organisation Skills
The parts of the skill are very closely linked and hard to separate. Breaking them up would ruin the "flow" of the skill.
Example: A golf swing or a somersault.
Key Takeaway: If you can practice just one part of it easily, it’s Low Organisation. If you have to do the whole thing at once, it’s High Organisation.
Summary: The "Cheat Sheet" Mnemonic
Don't worry if this seems like a lot to remember! Use this mnemonic to recall the six continua:
Don't Eat Pizza My Cat Ordered
D - Difficulty (Simple/Complex)
E - Environmental (Open/Closed)
P - Pacing (Self/External)
M - Muscular (Gross/Fine)
C - Continuity (Discrete/Serial/Continuous)
O - Organisation (Low/High)
Final Tip: In your exam, always justify your answer. Don't just say a skill is "Open"; explain WHY (e.g., "A pass in football is open because the player must react to the positions of defenders").