468111
Description
Mind Map by danny-hudson97, updated more than 1 year ago
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Created by danny-hudson97
over 10 years ago
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Muscle Fibres
- Muscles are made
from thousands of
muscles fibres
which are bound
together by
connective tissue
- Each muscle is made
from a combination of
2 types of fibres.
(Genetics)
- 1) Fast twitch
(2 types)
- Type 2b – Fast
Twitch
Glycolytic (FTG)
- Structure
- Capillary
density - Low
- Myoglobin content –
lowest (protein which
carries oxygen)
- Motor Neuron Size –
Large (send messages
to contract muscle)
- Colour –
White
- Size –
Large
- Mitonchondrial density – lowest
(where aerobic respiration takes
place within cells)
- Capillary
density - Low
- Functions
- Aerobic
capacity
- Low
- Fatiguability –
Easily Fatigued
- Speed of
contraction - Fast
- Force of
contraction -
High
- Anaerobic
capacity - High
- Aerobic
capacity
- Low
- POWER
LIFTING
SPRINTING
- Structure
- Type 2a – fast
oxidative glycolytic
(FOG)
- Structure
- Capillary Density –
high
- Colour –
White
- Size –
Large
- Motor Neuron Size – Large
(send messages to contract
muscle)
- Mitonchondrial density
– low (where aerobic
respiration takes place
within cells)
- Myoglobin content
– low (protein
which carries
oxygen)
- Capillary Density –
high
- Functions
- Anaerobic
capacity -
Medium
- Speed of
contraction
- Fast
- Force of
contraction -
High
- Aerobic
capacity -
Medium
Anaerobic
- Speed of
contraction -
Fast
- Anaerobic
capacity -
Medium
- 200M
swim 800M
run
- Structure
- Type 2b – Fast
Twitch
Glycolytic (FTG)
- 2) Slow twitch
- Type 1 -
Slow
Oxidative
- Structure
- Capillary
density – high
(blood vessels)
- Myoglobin
content – high
(protein which
carries oxygen)
- Size of fibre
– Small
- Motor Neuron Size – small (send
messages to contract muscle)
- Colour – Red
- Mitonchondrial
density – high
(where aerobic
respiration takes
place within cells)
- Capillary
density – high
(blood vessels)
- Function
- Anaerobic
capacity -
Low
- Speed of
contraction -
Slow
- Fatiguability –
Fatigue resistant
- Force of
contraction
- Low
- Aerobic
capacity -
High
- Anaerobic
capacity -
Low
- MARATHON
RUNNING
- Structure
- Type 1 -
Slow
Oxidative
- Everyone has a different mix
of each, some peoples
muscles may be made of
upto 80-90% of one type
- 1) Fast twitch
(2 types)
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