Movement analysis

Question 1

What is the definition of a plane?

Answer 1

A flat surface running through the body

Question 2

What is the definition of an axis?

Answer 2

An imaginary line running through the body

Question 3

How do you remember what movement is at each axis and plane?

Answer 3

STEF - Sagittal plane + transverse axis = Extension and flexion
FFAA - Frontal plane + frontal axis = Abduction and adduction
TLR - Transverse plane + longitudinal axis = Rotation

Question 4

What movement is at the frontal plane?

Answer 4

Abduction and adduction (front and back)

Question 5

What movement is at the sagittal plane?

Answer 5

Flexion and extension

Question 6

What movement is at the transverse axis?

Answer 6

Flexion and extension

Question 7

What examples of movement are in a longitudinal axis?

Answer 7

Twists and changes of direction (lamb donner)

Question 8

What examples of movement are in a sagittal axis?

Answer 8

Cartwheel and diving save (sagittal sword)

Question 9

What examples of movement are in a transverse axis?

Answer 9

Somersaults and backflips

Question 10

Mechanical advantage =

Answer 10

Effort arm / load arm (MEL)

Question 11

What are the pros/cons of mechanical advantage?

Answer 11

PROS
Overcome large loads with little effort
CONS
Limited speed and short ROM

Question 12

What are the 4 parts of a lever?

Answer 12

Fulcrum
Load/mass
Effort
Lever arm

Question 13

How do you remember what type of arm it is (1st class ect.)

Answer 13

1 2 3
F L E

Question 14

How to remember a first class lever?

Answer 14

A seesaw (both effort and load going down)

Question 15

How to remember a second class lever?

Answer 15

A wheelbarrow (load going down, effort going up)

Question 16

How to remember a third class lever?

Answer 16

Fulcrum -> Effort (UP) -> load (DOWN)