C1 T2: Movement Analysis Flashcards
What is a plane?
An imaginary line dividing the body
What is an axis?
An imaginary line the body rotates around
What is the movement associated with the frontal plane and the sagittal axis?
Falling sideways (Cartwheel)
What is the movement associated with the sagittal plane and the frontal axis?
Spinning Forwards (Somersault)
What is the movement associated with the transverse plane and the vertical axis?
Twisting Vertically (Cork-screw)
What are the range of movements in a joint associated with frontal plane and sagittal axis? (Cartwheel)
Abduction & Adduction
What are the range of movements in a joint associated with sagittal plane and frontal axis? (Somersault)
Flexion & Extension
What are the range of movements in a joint associated with the transverse plane and vertical axis? (Cork-screw)
Rotation
In a first class lever system, whats in the middle?
Fulcrum ( Joint)
In a second class lever system, whats in the middle?
Load ( Weight)
In a third class lever system, whats in the middle?
Effort (Muscle)
An example of where in the body a first class lever system can be found?
Neck joint
Extension at the elbow
An example of where in the body a second class lever system can be found?
Ankle joint
An example of where in the body a third class lever system can be found?
Flexion at the elbow
What is a sporting example of a first class lever system?
Header in football
What is a sporting example of a second class lever system?
Take off in long jump
What is a sporting example of a third class lever system?
The wind up for a throw-in in football
What is the effort arm?
The distance from the effort to the fulcrum
What is the load arm?
The distance from the load to the fulcrum
What is mechanical advantage?
Little effort and little movement
What is mechanical disadvantage?
Greater effort and greater movement
In what class lever system does mechanical advantage occur?
1st class
In what class lever system does mechanical disadvantage occur?
3rd class
