THE MUSCULAR SYSTEM Advanced Health -Pacheco
Voluntary Movement Involuntary Movement
Contraction (shortening of a muscle) – Isometric – Eccentric – Concentric Extension (stretching of a muscle)
Cardiac muscle: striated muscle that forms the wall of the heart Skeletal muscle: attached to bone by tendons ; voluntary movement by use of flexors and extensors Smooth muscle: act on the lining of passageways and internal organs
Physical activity – Prevents atrophy (decrease in size and strength) Protective wear
Contusion (Bruise) Sprain vs Strain Tendonitis
Muscular Dystrophy - genetic disorder - muscle fibers are eventually destroyed
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