Lecture 19 - Analyzing Performance

Question 1

what is a movement pattern?

Answer 1

• when many segments and joints move in concert

Question 2

what is technique?

Answer 2

• the way a skill is performed

Question 3

what is style?

Answer 3

• variations in technique

Question 4

what are the 5 constraints of skill/technique/style

Answer 4

1. rules of the game
2. boundaries of the game
3. equipment limitations
4. the environment
5. simple physics

Question 5

what is a closed skill?

Answer 5

• a movement where you can easily predict what will happen

Question 6

what is an open skill?

Answer 6

• a movement where the outcome is not predictable

Question 7

what is a discrete skill?

Answer 7

• well-defined start and finish

Question 8

what is a continuous skill?

Answer 8

• does not have a well-defined finish

Question 9

what is a repeated discrete skill?

Answer 9

• has a start finish, but is repeated often and regularly

Question 10

what are the 3 phases of a skill?

Answer 10

1. stretch shortening
2. actual action
3. stopping the motion once the action has been completed

Question 11

what must you evaluate when analyzing a skill?

Answer 11

• mechanical purpose
• biomechanical factors
• biomechanical purposes
• critical features

Question 12

what is ergonomics?

Answer 12

• reduce injury, overuse and boredom while optimizing speed/productivity (for repetitive physical activity)