Video• http://www.youtube.com/watch?v=NP29ejPrOPE

Benefits of Strength and Endurance• Better posture• Look firmer and trimmer• Feel better• Reduce injury• Increase capacity to perform daily tasks and activity• Reduce bone and muscle loss as you age

Muscle Basics Continued• Cartilage – is found in a joint between the bones and acts as a

cushion between the ends of the bones. See pg. 276• 3 types of muscles:• Cardiac – in the heart• Smooth – in arteries and internal organs, they help with functions

such as digestion• Skeletal – located around bones and joints. Theses allow us to

move.

Effects of Exercise on the Muscular System• Size of the muscle temporarily increases as the blood flow to it

increases – this is why you get a “pump” after a workout• Body temperature rises due to increased activity in the muscle

tissue• Muscles become more flexible and contract at a faster rate

• In muscular endurance activities:• The number of red blood cells increase• Additional capillaries develop

Assignment: Pg. 283• Write the question and the correct answer