Topic 2- Movement analysis

Question 1

what is the lever?

Answer 1

a bone

Question 2

what is the fulcrum?

Answer 2

a joint

Question 3

what is the effort?

Answer 3

provided by muscles

Question 4

describe the first class lever

Answer 4

fulcrum between load and effort

Question 5

describe the second class lever

Answer 5

load between effort and fulcrum

Question 6

describe third class lever

Answer 6

effort between load and fulcrum

Question 7

give an example of a fist class lever

Answer 7

atlas and axis joint in the neck when heading a football

Question 8

give an example of a second class lever

Answer 8

calf raises in the ankle joint

Question 9

give an example of a third class lever

Answer 9

bicep curl at the elbow joint

Question 10

what is the mechanical advantage of the second class lever?

Answer 10

provides force to lift heavy loads

Question 11

what is the mechanical advantage of the third class lever

Answer 11

provides speed and wide range of movement

Question 12

what is the mechanical disadvantage of a second class lever?

Answer 12

small range of movement

cannot be moved quickly

Question 13

what is the mechanical disadvantage of a third class lever?

Answer 13

greater force required

Question 14

what is the sagittal plane?

Answer 14

divides left and right side of the body vertically

Question 15

what is the frontal plane?

Answer 15

divides front and back of the body vertically

Question 16

what is the transverse plane?

Answer 16

divides the top and bottom of the body horizontally

Question 17

what is the sagittal axis?

Answer 17

goes front to back

Question 18

what is the frontal axis?

Answer 18

goes side to side

Question 19

what is the vertical axis?

Answer 19

goes from top to bottom