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==Skeletal Muscle==
 
==Skeletal Muscle==
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*Each muscle is composed of multiple '''fascicles''', each of which consists of a bundle of muscle fibers
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*Muscle "fiber" means a single cell, which are multi-nucleate, and known as '''syncitia'''
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*Within each fiber are groups of parallel, longitudinal myofibrils
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**Myofibrils are arranged as '''sarcomeres''', bound by Z-discs
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**Each sarcomere contains 2 separate groups of myofilaments:
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***Thin filament, containing '''Actin''', located centrally
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***Thick filament, containing '''Myosin''', originating from either side of each Z-disc
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*Skeletal muscle includes muscles of:
 
*Skeletal muscle includes muscles of:
 
**Posture
 
**Posture
 
**Movement
 
**Movement
 
**Respiration
 
**Respiration
      
*Two basic types of skeletal myofibre:
 
*Two basic types of skeletal myofibre:
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***High '''glycolytic''' activity
 
***High '''glycolytic''' activity
 
***Function - exercise
 
***Function - exercise
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*Each muscle is composed of multiple '''fascicles'''
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**Each fascicle is composed of multiple polygonal '''myofibres'''
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==Tendon==
 
==Tendon==
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