Movements Analysis

Question 1

What is a lever

Answer 1

Rigid bar that turns around the fulcrum to create movement. (BONES)

Question 2

What is the load

Answer 2

The weight or resistance that the lever must move.

Question 3

What is the effort

Answer 3

The force required to move the load. (MUSCLES)

Question 4

What is the fulcrum

Answer 4

The point at which the lever turns or is supported. (JOINTS)

Question 5

Explain what is meant by F L E? 1 2 3

Answer 5

First-class lever has the fulcrum in the middle
Second-class lever has the lever in the middle
Third-class lever has the effort in the middle

Question 6

First-class levers in the body (2) and an example in sport

Answer 6

-The neck joint
-The elbow !when extending!

-Heading the ball in football
-Boxing

Question 7

Second-class levers in the body (1) and an example

Answer 7

-The ankle joint. (Plantar flexion)

-Any jumping action

Question 8

Third-class levers in the body (2) and an example

Answer 8

-The elbow
-The knee

-Kicking a ball
-Running
-Jumping

Question 9

What are the symbols used when drawing levers?

Answer 9

Effort - arrow
Load - square/rectangle
Fulcrum - triangle

Question 10

What is an axis

Answer 10

A line about which a body part can turn.

Question 11

What is the effort arm

Answer 11

Where the force is applied to the lever.

Question 12

What is the load arm

Answer 12

It moves the weight or resistance.

Question 13

How do you calculate the mechanical advantage

Answer 13

Effort arm/ Load arm

Question 14

What is a mechanical advantage

Answer 14

When the effort arm is greater than the load arm.

Question 15

What is a mechanical disadvantage

Answer 15

When the load arm is greater than the effort arm.

Question 16

What is a frontal plane

Answer 16

Divides the body into front and back halves.

Question 17

What is a sagittal plane

Answer 17

Divides the body into sides (left and right)

Question 18

What is a transverse plane

Answer 18

Divides the body into top and bottom.

Question 19

What is a plane

Answer 19

An imaginary flat surface through the body.

Question 20

What is a transverse axis

Answer 20

It passes through the hips like a table football player.

Question 21

What is a longitudinal axis

Answer 21

It passes vertically from top to bottom.

Question 22

What is a sagittal axis

Answer 22

It passes through the belly button

Question 23

Which direction is the effort pointing in a first-class lever

Answer 23

Downwards.

Question 24

Which direction is the effort pointing in a second and third-class lever

Answer 24

Upwards.