null
US
Sign In
Sign Up for Free
Sign Up
We have detected that Javascript is not enabled in your browser. The dynamic nature of our site means that Javascript must be enabled to function properly. Please read our
terms and conditions
for more information.
Next up
Copy and Edit
You need to log in to complete this action!
Register for Free
468111
Muscle Fibres
Description
A Levels Physical Education (Physiology And Anatomy) Mind Map on Muscle Fibres, created by danny-hudson97 on 07/01/2014.
No tags specified
physical education
physical education
physiology and anatomy
a levels
Mind Map by
danny-hudson97
, updated more than 1 year ago
More
Less
Created by
danny-hudson97
almost 11 years ago
118
1
0
Resource summary
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)
Functions
Aerobic capacity - Low
Fatiguability – Easily Fatigued
Speed of contraction - Fast
Force of contraction - High
Anaerobic capacity - High
POWER LIFTING SPRINTING
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)
Functions
Anaerobic capacity - Medium
Speed of contraction - Fast
Force of contraction - High
Aerobic capacity - Medium Anaerobic
Speed of contraction - Fast
200M swim 800M run
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)
Function
Anaerobic capacity - Low
Speed of contraction - Slow
Fatiguability – Fatigue resistant
Force of contraction - Low
Aerobic capacity - High
MARATHON RUNNING
Everyone has a different mix of each, some peoples muscles may be made of upto 80-90% of one type
Show full summary
Hide full summary
Want to create your own
Mind Maps
for
free
with GoConqr?
Learn more
.
Similar
PE 1 Multi Choice Questions
Cath Warriner
Australia vs UK PE
Cal Jones
Unit 3: Skeletal and Muscular System
Cath Warriner
The Skeletal System - PE GCSE EdExcel
GeorgeHaines
Unit 1: The Role of the Active Participant
Cath Warriner
Unit 3: Skeletal and Muscular System
Cath Warriner
PE 3 Multi Choice Questions
Cath Warriner
Components of Fitness
aidanday35
SMART targets
Ben Kidner
PE 2 Multi Choice Questions
Cath Warriner
Unit 5 : Health and Fitness
Cath Warriner
Browse Library