the structure and function of the muscular system Flashcards
1
Q
what is a agonistic pair ?
A
a pair of muscles that are arranged in pairs either side of a joint when one relaxes and one contracts for movement to occur e.g biceps and triceps at elbow joint
2
Q
what is the agonist ?
A
the muscle or group or muscles that contract to cause movement
3
Q
what is the antagonist ?
A
the muscle or group of muscles thats relax to cause movement
4
Q
what is a isotonic contractions ?
A
when the muscle changes shape when it contracts
5
Q
what is isometric contractions ?
A
when muscle stays the same length when it contracts
6
Q
what is concentric ?
A
when the muscle contracts and shortens
7
Q
what is eccentric ?
A
when the muscle contracts and lengthens