Download - Evaluate the strengths and weaknesses of your chosen skill. Look at 3 biomechanical principles
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Evaluate the strengths and weaknesses of your chosen skill.
Look at 3 biomechanical principles
Task 2
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Stability / Projectile Motion / Force Summation / Levers /
Newton’s LawsStrengths
Weaknesses
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Watch this you Tube of a tennis serve
• What are the strengths– Wide base of support– Good force summation
• What are the weaknesses• Newton’s 2nd Law• Projectile Motion
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Strengths
• Look at your initial performance • What did you do well• What was successful for you
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Weaknesses
• What went wrong• What can you focus on for your practice
sessions• This is what your practice sessions should be
focused on.
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Words that you might use for the biomechanical term Stability
• Centre of gravity• Base of support• Balance• Line of gravity• Stability• Principle #3 page 64• Principle #4 page 64
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Force summation
• Sequencing of body segments• Generate maximum momentum• Large muscle groups• Small muscle groups• Stretching out• Full range of motion
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Projectile Motion
• Speed of release• Projectile• Angle of release• Optimum angle is 45° is this what you want
for your skill though??? Think what would be best for your skill. Quest 4 page 78
• Height of release
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Newton’s Laws1st law force
2nd law direction
3rd law Equal and opposite
mass Reaction force
inertia Initial force
acceleration increases
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Levers
• 3rd class levers• Longer the lever• Wide range of motion• More velocity / speed• Strike• Generate