1. The Muscular System Mr. P. Leighton GCSE PE Theory

2. Today’s Session… All of you: Will understand the importance of the muscular system, taking into account the key terms of VOLUNTARY, INVOLUNTARY and CARDIAC MUSCLES. All of you: Will understand the importance of the muscular system, taking into account the key terms of VOLUNTARY, INVOLUNTARY and CARDIAC MUSCLES. Most of you: Will understand the key terms above whilst also understanding the principle of ANTAGONISTIC PAIRS. Most of you: Will understand the key terms above whilst also understanding the principle of ANTAGONISTIC PAIRS. Some of you: Will begin the work on what the muscles actually do in class (finish for HW) Some of you: Will begin the work on what the muscles actually do in class (finish for HW)

3. TASK: On the board are 11 names of muscles. On the board are 11 names of muscles. Decide on a “Dummy” from your group to be used in the presentation. Decide on a “Dummy” from your group to be used in the presentation. It is the rest of the groups job to decide where these muscles are situated and label them correctly. It is the rest of the groups job to decide where these muscles are situated and label them correctly. You have 7 mins for this task- when you are finished take a picture of the dummy to show they are correct! You have 7 mins for this task- when you are finished take a picture of the dummy to show they are correct!

4. How did you do?

5. So how do muscles work? Muscles work in 3 ways… Voluntary- You choose to make it move… Voluntary- You choose to make it move… Involuntary- works without thought- blinking? Involuntary- works without thought- blinking? Cardiac: The Heart- most important muscle… Cardiac: The Heart- most important muscle…

6. How do muscles move? Muscles are attached to bones by tendons. Muscles are attached to bones by tendons. Muscles cannot push- this is why they must work in pairs. Muscles cannot push- this is why they must work in pairs. Muscles must work in ANTAGONISTIC PAIRS to allow successful movement. Muscles must work in ANTAGONISTIC PAIRS to allow successful movement. The muscle shortening is the AGONIST (Agony) The muscle shortening is the AGONIST (Agony) The muscle lengthening is the ANTAGONIST (making it get shorter) The muscle lengthening is the ANTAGONIST (making it get shorter) Which muscles are working here? Which muscles are working here?

8. Work for you… Spend the rest of the time looking at pg. 140- 142. Spend the rest of the time looking at pg. 140- 142. I would like you to have notes on all the 11 key muscles for this time next week. I would like you to have notes on all the 11 key muscles for this time next week. The use of GCSE Bitesize or my wordpress site (www.soculleighton.wordpress.com/gcse) can help with this. The use of GCSE Bitesize or my wordpress site (www.soculleighton.wordpress.com/gcse) can help with this.www.soculleighton.wordpress.com/gcse Any Questions? Any Questions?