Movement Analysis Flashcards
What is a lever?
Rigid bar that turns around the fulcrum to create movement. (BONES)
What is the load?
The weight or resistance that the lever must move. (OBJECT)
What is the effort?
The force required to move the load. (MUSCLES)
What is the fulcrum?
The point at which a lever turns or is supported. (JOINTS)
Explain what is meant by F L E ?
1 2 3
First class lever has the fulcrum in the middle.
Second class lever has the load in the middle.
Third class lever has the effort in the middle.
Define First Class Lever.
Has the fulcrum between the effort and the load.
Define Second Class Lever.
Have the load between the fulcrum and the effort.
Define Third Class Lever.
Have the effort between the fulcrum and the load.
What sporting action replicates a First Class Lever(2)?
Heading, Boxing
What body parts act as a First Class Lever?
Neck, Elbow - extension
What body part acts as a Second Class Lever?
Ankle - Plantar Flexion
Where does a second class lever happen in sport?
Basketball, Football (any jumping example)
What body part acts as a Third Class Lever?
Elbow, Knee
What sporting action replicates a Third Class Lever(3)?
Kicking a ball, Running, Jumping
Draw a linear version of a First Class Lever
load __________effort
fulcrum (in the middle)