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Anatomy
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Lloyd Dean
Muscle Fibre Types
Re-cap
Very important……………
Have we learnt?
Quick fire questions!
Can you spot each connective structure?
Articulate
-Tendon-Epimysium-Fascia-Bundles of muscle fires-Perimyisum-Muscle fibre-Myofilament-Actin-Myosin
Try and describe the basic structure of muscle by looking at this picture
AimsDescribe structure and function of Type 1, Type
2a and Type 2b (P4)
Review how recruitment patterns vary (M4)
Describe the ability for the muscle fibres to adapt with increased long term activity and detraining (P4)
Analyse the different structures and how each sports may require ranging fibre types (D4)
Task
Team “Oxy” Team “FOG”
Walk around the room until told otherwise
1:1
12 press ups
3:1
I shall pick the music!
Every 10 seconds perform an explosive activity
10:1
Team “Bolt”
Muscle Fibre Types
Slow twitch fibres Fast twitch fibres
Type 1 Type 2
Slow oxidative fibres Fast glycolytic fibres
Red in colour White in colour
Contain large numbers of mitochondria (Power providers)
Contain low numbers of mitochondria
Endurance type activities
Strength / anaerobic type activities
Wh
y? W
hy?
Muscle Fibre Types
Type 2 fibres subdivide:
Type 2a – Fast oxidative glycolytic (FOG)Type 2b – Fast glycolytic (FG)
What sports would lend them selves to each type 2 fibres?
Endurance Force
What doesthis tell us?
Can we apply it to other Characteristics?
Click through for Pinterest board!
Fibre Type ConsiderationsMost potential is based on genetics
Specific training can develop respective fibre types (E.g. Clean and jerk for Fast Glycotic)
Detraining will result in the loss of F.O.G & F.G to Oxidative
Recovery (Timings)? Nutrition? Sleep? Tapering?
Task
We are going to look at certain words related to fibre types
With your study buddy, try and compare each fibre type
Include different sports for each
If you don’t know a term yet, feel free to use mobile devices to research
http://www.wordle.net/show/wrdl/5994443/Muscle_Fibre_Types
Oxidative F.O.G F.G
Glycogen stores
Moderate Highest
Fatigability Moderate
Force Produced
Low
Your table might be structured liked this
TermsStructure What is it? Also see
these as clues! E.g. if it needs oxygen it will probably be….
Glycogen Stores Carbohydrate stored in the muscle and liver
Myoglobin Found in muscle tissue. An oxygen-binding protein.
Capillary Density The amount of capillaries found in the muscle
Mitochondrial Density
Powerhouse of the cell. Help to convert food into energy.
Triglyceride Stores Fat stores in the body
RecapSnowball time……………………………………………………………………………………………
It is nearly Christmas!
Let’s turn answers into merit and distinctions!