149980_dr. Patwa - Fisiologi Otot Selama Olahraga

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fisiologi otot olahraga
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  Fisiologi Otot Skeletal Dr. Patwa Amani, M. Kes  ã Organ terbesar dlm tubuh (40% BB) ã Mengubah energi kimia mjd kinetik→ fungsi pergerakan ã Mempertahankan postur dan posisi tubuh ã Menghasilkan panas tubuh (75% ATP yg digunakan pd kontraksi otot akan dilepaskan mjd panas) ã Cadangan nutrisi Jaringan Otot  ã Bentuk sel silindris memanjang ã Memiliki banyak inti pada setiap satuan sel ã Morfologi berstria (lurik gelap terang) ã Gerakan secara volunter ã Kontraksi cepat Karakteristik Otot Skleletal  ã Excitability: menerima dan meneruskan potensial aksi ã Contractility: berkontraksi/ memendek ã Elasticity: kembali ke bentuk dan ukuran semula saat relaksasi Kontraksi Otot Skleletal
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