Muscle Contractions Flashcards
What are 2 Types of Muscle Contractions?
Isotonic
Isometric
What are the 2 Types of Isotonic Contractions?
Concentric
Eccentric
What is a Concentric Muscle Contraction?
•Involves the muscle shortening while contracting
•This type of contraction occurs in most normal sporting
actions
What is a Eccentric Muscle Contraction ?
•involves the muscle lengthening whilst contracting
•usually occurs when a resistance is involved either an
object or the body itself
Example of Concentric Muscle Contractions ?
Example: bicep brachii during upward phase of bicep curl
Sporting Example: Running Action
Example of Eccentric Muscle Contractions ?
Example : Bicep brachii during downward phase of bicep curl
Sporting Example : Preparation of Basketball Jump Shot
What is a Isometric Muscle Contraction ?
The muscle remains the same length while contracting
Example of Isometric Muscle Contractions ?
Example: pushing hands together
Sporting Example: Any static position or balance plank, headstand, handstand, rings and
weight lifter !
When are Sporting Action quirky
During the downward phase