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Human anatomy MUSCULAR SYSTEM

Human anatomy MUSCULAR SYSTEM. dr. Dea Amanda. Program Studi Ilmu Keperawatan Unitri Malang. The muscular system is made up of. muscles & tendons. Tendon vs Ligamen. Why do I need tendons?. Tendons attach my muscles to my bone helping my body move.. .

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Human anatomy MUSCULAR SYSTEM

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  1. Human anatomyMUSCULAR SYSTEM dr. Dea Amanda Program Studi Ilmu Keperawatan Unitri Malang

  2. The muscular system is made up of.. muscles & tendons

  3. Tendon vs Ligamen

  4. Why do I need tendons? Tendons attach my muscles to my bone helping my body move.. Feel your tendon right above your heel in the back of your leg.. This is the thickest tendon in your body..

  5. My muscles move my body like strings move a puppet..

  6. Fungsi Otot.. • All types of body movement

  7. Fungsi Otot.. • Penopang tubuh • & • maintain posture

  8. Fungsi Otot.. • Produksi panas

  9. How do muscles work? Muscles can't push, They pull.. Muscles often work in pairs, so that they can pull in different / opposite directions

  10. Ciri2 Otot.. Kontraktilitasserabut otot (=muscle cell/muscle fiber) contracts Ekstensibilitasability to stretch me>i pjg otot (saat relax) Elastisitas dpt kembali ke ukuran semula stlh contracts /stretch

  11. Ways to Strengthen the Muscular System • Exercise at least 3 times a week • Eat well-balanced meals (protein) • Can you think of more ways?

  12. Klasifikasi.. • Struktural: • Skeletal muscle • Cardiac muscle • Smooth muscle • Fungsional: • Volunter : 1 • Involunter : 2,3

  13. Types of Muscle..

  14. Types of Muscle..

  15. 1. Skeletal Muscle

  16. Naming Skeletal Muscles..

  17. Direction of Muscle Fibers.. Relative to the Midline • RECTUS = parallel to the midline • RectusAbdominus • TRANSVERSUS = perpendicular to midline • TransversusAbdominus • OBLIQUE = diagonal to midline • Obliqus external • Obliqus internal

  18. Location..  Structure near which muscle is found • FRONTALIS = near FRONTAL bone • OCCIPITALIS = near OCCIPITAL bone

  19. Size..  Relative Size of Muscle • MAXIMUS = largest • Gluteus Maximus • MEDIUS = middle • Gluteus Medius • MINIMUS = smallest • Gluteus Minimus

  20. Size..  Relative Size of Muscle • LONGUS = longest • Fibularis Longus • BREVIS = short • Fibularis Brevis • TERTIUS = shortest • Fibularis Tertius

  21. Number of Origins..  Number of tendons of origin • BICEPS = Two • Biceps Brachii • TRICEPS = Three • Triceps Brachii

  22. Number of Origins.. • Number of tendons of origin • QUADRICEPS = Four • Quadriceps Femoris

  23. Shape..  Relative Shape of the Muscle • DELTOID = triangular shape Δ • TRAPEZIUS = trapezoid shape • SERRATUS = saw-toothed ♒ • RHOMBOIDEUS = rhomboid shape • TERES = round ○

  24. Origin & Insertion.. • Origo: attachment to an immoveable bone • Insersio: attachment to a movable bone • CORACOBRACHIALIS= attaches to the proc. Coracoideus & humerus

  25. Action..

  26. Head & Neck Muscles

  27. Frontalis: elevate eyebrows  Orbicularis Oculi: close eyelid  Zygomaticus: draw angle of lip upward  Buccinator: draws cheeks against teeth Orbicularis Oris: closes mouth  Platysma: draws lower lip down & back  Cranial Aponeurosis: connects frontalis to occipitalis Temporalis: elevates mandible Occipitalis: draws scalp back Masseter: elevates mandible Sternocleidomastoid: Flexes head Draws head toward shoulder Head & Neck Muscles

  28. Muscles of Mastication • Masseter: elevates mandible • Temporalis: elevates mandible • Medial pterygoid: elevates mandible • Lateral pterygoid: depresses mandible

  29. Frowning Muscles Frontalis Orbicularis Oris Depressor Anguli Oris Depressor Labii Inferioris Mentalis Platysma Key Muscles of Facial Expression

  30. Key Muscles of Facial Expression • Smiling Muscles • Orbicularis Oculi • Nasalis • Levator Labii Superioris • Levator Anguli Superioris • Zygomaticus

  31. to be continued..

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