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Muscles • Contract (short) • Extend (long) Building Muscle • Must break down 1st • Rebuild Activity 2 • Today at each fitness station, see how many times and how long you can keep moving. Joints flex. Aerobic Capacity (AC) I can maintain continuous activity for a specified time using oxygen. HEART • Why does my heart beat faster during exercise? • What is aerobic capacity? • How does AC help my body? Take a breath • Muscles use and need oxygen. AC • Aerobic Capacity is your body’s ability to use oxygen during activity. 1st 5 • Jumping Jacks = 60 seconds • Jump Tucks = 30 seconds • Skiers = 30 seconds • Burpees = 30 seconds • Run/Jog/Walk = 150 seconds AC and ME • Aerobic Capacity- (AC) ability of your heart and lungs to use oxygen • Muscle Endurance (ME)- how long can you exercise? O-2 Me-2 • The oxygen tag game. • 600+ muscles need 0-2 • Once you are tagged by carbon dioxide, freeze and get 5 breaths. • The blue dot is the oxygen station. 1.Aerobic Capacity 3.Muscle Endurance Activity 2 • At today’s stations: the dome run will be a great test to measure effort and AC. Your bodies will be require more oxygen during activity. The faster you go, the more oxygen you will need (V-02). • As soon as you slow down or stop: Pass the Baton. Talk Test Example Why Faster? • During exercise, your heart naturally beats faster to supply more oxygen-rich blood to your muscles. The more TIME and EFFORT you give (strong and fast), the faster your heart rate, as well as your respiration (Breathing). • Get T.E.F.! 17