Muscular system

Question 1

what’s the name of the pairs muscles are arranged in?

Answer 1

antagonistic pairs

Question 2

whats the agonist?

Answer 2

the contracting muscle responsible for causing movement

Question 3

what’s the antagonist?

Answer 3

relaxing + lengthening muscle which allows the movement

Question 4

whats the fixator?

Answer 4

a muscle that’s needed to stabilize one part of the body when the other moves

Question 5

isometric contractions definitions

Answer 5

these are muscle contractions that DO NOT create movement

Question 6

what’s an isometric contraction?

Answer 6

when the muscle contracts without lengthening or shortening. resulting in no movement occuring.

Question 7

isotonic contraction definition

Answer 7

a muscular contraction which changes the length of the muscle which can occur in two ways:
concentric and eccentric

Question 8

concentric contractions definition

Answer 8

when the muscle shortens under tension

Question 9

eccentric contractions definition

Answer 9

when the muscle lengthens under tension

Question 10

origin

Answer 10

part attached to the bone

Question 11

insertion

Answer 11

part attached to the bone but moves the arm