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Opening Activity On the back of the notes paper, write down the names of as many muscles as you can, then score yourself according to the chart below. 8 or more - A 6 or 7 - B 4 or 5 - C Below 4 D th 7 Grade Health Muscular System #1 Muscles are named by their: Location Movement Shape Number of Muscle Groups Functions of Muscles Movement Gives shape to the body Provides heat to the body Muscle Types Cardiac (Heart) Smooth (Stomach) Striated (Skeletal) Muscle Movement Muscles Muscles Muscles Muscles work need need need in pairs nutrients oxygen nerve stimulation Muscle Notes Tendon – connects muscle to bone Contraction – muscle becomes shorter or tightens Origin – connection point where no movement occurs Insertion – connection point where movement occurs Body Movements Flexion – angle at the joint becomes more acute Extension – angle at the joint becomes more obtuse Body Movements Abduction – limb moves away from the body Adduction – limb moves towards the body Body Movements (con’t) Supination – rotate so palm faces up (hold a bowl of soup) Pronation – rotate so palm faces down Body Movements (con’t) Rotation – circular motion Muscle Madness Voluntary 2. Contraction 3. Smooth 4. Skeletal 5. Tricep 6. Fatigue 7. Tendons 8. Biceps 9. Insertion 10. Tone 1.