types of contraction Flashcards
1
Q
concentric
A
the muscles tightens under tension
2
Q
eccentric
A
the muscle lengthens under tension and acts as a break to help control the movement of body parts during negative work
3
Q
isometric
A
muscle contracts without lengthening or shortening therefore no movement occurs, an isometric contraction occurs when a muscle acts as a fixator or against a resistance
