143muscle6 - Sarcomere - arrangement of fillaments in...

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6 Myofilaments • Actin - thin filament – Contains binding sites for myosin heads • Myosin - thick filament – Contains heads that bind actin and move to produce force and cause contraction • Sliding Filament theory
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Unformatted text preview: Sarcomere - arrangement of fillaments in repeating pattern Length of individual sarcomeres is reduced with force producing contraction (concentric) Overall length of muscle reduced...
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