CONTRACTION/MUSCLE FUNCTION TERMS Flashcards
Contraction that pulls two attachments together
Concentric Contraction
Muscle contracts against a resistance that is not changing, and muscle changes in length
Isotonic Contraction
A muscle contraction against a resistance with no change in muscle length
Isometric Contraction
Contraction of two muscle attachments moving away from each other
Eccentric Contraction
Attachment that is ‘fixed’
Orgin
Attachment that is ‘ moving’
Insertion
Muscle function causing desired movement
Prime Mover (Agonist)
Muscle function that opposes a specific action
Antagonist
Muscle function that stabilize the more proximal joints during actions of the more distal joints
Stabilizers (Fixators)
Muscles function that works to assist the prime mover in a given action
Synergists (Neutralizers