maximum effort (principles 2 & 3)

Question 1

what is principle 2?

Answer 1

the production of maximum force requires the use of all possible joint movements that contribute to the task’s objectives

Question 2

what is an example of principle 2 in motion?

Answer 2

a child playing t-ball will often stand very upright, with feet planted, and swing the bat using only the arms to make contact with the ball
while a professional baseball player will use as many necessary joints as possible to hit a ball and produce maximum force

Question 3

what is principle 3?

Answer 3

the production of maximum velocity requires the use of joints in order - from largest to smallest

Question 4

what is an example of principle 3 in motion?

Answer 4

when a baseball is thrown, the player’s joint actions are sequenced