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***Thin filament, containing '''Actin''', located centrally
 
***Thin filament, containing '''Actin''', located centrally
 
***Thick filament, containing '''Myosin''', originating from either side of each Z-disc
 
***Thick filament, containing '''Myosin''', originating from either side of each Z-disc
  −
  −
  −
*Skeletal muscle includes muscles of:
  −
**Posture
  −
**Movement
  −
**Respiration
  −
   
*Two basic types of skeletal myofibre:
 
*Two basic types of skeletal myofibre:
**<u>'''Type I'''</u>
+
**<u>'''Primary: Oxidative'''</u>
 
***Grossly '''red'''
 
***Grossly '''red'''
 
***'''High''' myoglobin level
 
***'''High''' myoglobin level
 
***'''Slow''' rate of contraction
 
***'''Slow''' rate of contraction
 
***High '''oxidative''' activity
 
***High '''oxidative''' activity
***Function - postural
+
***Function - postural, sustained activity
**<u>'''Type II'''</u>
+
**<u>'''Secondary: Glycolytic'''</u>
 
***Grossly '''white'''
 
***Grossly '''white'''
 
***'''Low''' myoglobin level
 
***'''Low''' myoglobin level
 
***'''Fast''' rate of contraction
 
***'''Fast''' rate of contraction
 
***High '''glycolytic''' activity
 
***High '''glycolytic''' activity
***Function - exercise
+
***Function - exercise, bursts of activity
    
==Tendon==
 
==Tendon==
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