Answer Happy

Part 3 Short Answer Questions Word Bank: concentric, plyometric, eccentric, concentric, isometric, eccentric, concentric, plyometric, isometric 1. Identify the primary type of muscle contraction used in the following activities. (Note: Be more specific than just static or dynamic.) (10 marks) The down phase of a push-up Carrying a bag of groceries The up phase of a squat Using a Nautilus machine Pulling yourself up in a chin-up Lowering a barbell Doing a jump squat Performing a plank exercise Lifting a medicine ball Leaping and bounding /30 marks 2. Name two sports that use isokinetic training. How common are isokinetic contractions in sport? (5 marks) 3. Describe the process of eccentric loading. Why is plyometric training popular among high jumpers and basketball players? (5 marks) 4. Explain how joint angle affects a muscle's ability to produce force. What is the most efficient joint angle? (5 marks) 1 5. Explain how the same muscles can perform opposite movements. Do movements usually involve only one muscle group? (5 marks)