Manual Pengguna Sistem Pengurusan Maklumat FAS (Sistem eFAS)
SISTEM LOKOMOTORIK
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Transcript of SISTEM LOKOMOTORIK
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KELOMPOK 9
• DAVID KRISNANDA• DWI CAHYA KUSUMA• NOOR IMAN R
• RIZA OKTARIANDA• YUDHA BAWONO
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LOKOMOTORIK(SISTEM GERAK TUBUH)
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Sistem alat gerak tubuh terdiri atas:1. Otot2. Rangka3. Persendian
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PENGERTIAN OTOT
Secara umum otot merupakan alat gerak aktif
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FUNGSI OTOT
1. melakukan
gerakan bersama
tulang
2. mengalirkan darah
3. mengedarkan sari
makanan
4. menggerakan
jantung
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KEMAMPUAN KHUSUS OTOT
1. KONTRAKTIBILITAS
2. EKSTENSIBILITAS
3. ELASTISITAS
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JENIS-JENIS OTOT
1. OTOT POLOS (musculus
nonstriated)
2. OTOT LURIK (musculus striated)
3. OTOT JANTUNG (musculus
cardiata)
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Letak otot polos, lurik, dan jantung
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CARA KERJA OTOT
1. ANTAGONIS
2. SINERGIS
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PENGERTIAN RANGKA
Kerangka manusia merupakan kerangka dalam, yang tersusun dari tulang keras (osteon) dan
tulang rawan (kartilago)
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FUNGSI RANGKA
1. Menggerakan tubuh dan
menentukan bentuk tubuh.
2. Melindungi alat-alat tubuh yang
penting dan lemah, misalnya otak,
jantung, dll.
3. Tempat melekatnya ligamen, otot-
otot, dan jaringan lunak
4. Tempat pembentukan sel darah
merah dan sel darah putih
5. Alat gerak pasif
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JENIS TULANG
1. TULANG KERAS atau SEJATI
2. TULANG RAWAN
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RANGKA MANUSIA(SISTEM SKELETAL)
1. Tengkorak2. Bagian Badan3. Bagian Anggota Gerak (ektremitas superior dan ekstremktas inferior)
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TENGKORAK (CRANIUM)
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RANGKA BADAN
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RANGKA GERAK(ektremitas superior dan inferior)
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PERSENDIAN
Sendi merupakan hubungan antartulang sehingga tulang dapat digerakkan. Hubungan
dua tulang disebut persendian (artikulasi).
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HUBUNGAN SENDI
1. SINARTROSIS-SINKONDROSIS-SINFIBROSIS
2. DIARTROSIS-SENDI ENGSEL (hinge joint /gimglymus)-SENDI PELURU (art. Globoidea)-SENDI PUTAR (-SENDI PELANA (saddle joint / art. Sellaris)-SENDI KAKU-SENDI GESER
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• SINARTROSIS SINKONDROSIS
• SINARTROSIS SINFIBROSIS
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DIARTROSIS
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• DIARTROSIS:-SENDI ENGSEL
sendi siku antara os.humerus dengan os.antebrachi
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• SENDI PELURU
Contoh: hubungan os femur dengan coxae
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• SENDI PELANAContoh: hubungan tulang telapak tangan dan jari tangan.
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• SENDI PUTAR
Contoh: hubungan tulang lengan atas dan tulang lengan bawah
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• SENDI KAKU
Terdapat pada hubungan antara tulang dada
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• SENDI LUNCUR
Contoh: sendi antar tulang pergelangan kaki
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• SENDI GESER
Contoh: Persendian pada hubungan antara ruas-ruas tulang belakang.
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TERIMA KASIH