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Line 16: |
| ***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 |
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− | *Skeletal muscle includes muscles of:
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− | **Posture
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− | **Movement
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− | **Respiration
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| *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 |
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| ==Tendon== | | ==Tendon== |