muscle types/ contractions

Question 1

function of an agonist (prime mover)

Answer 1

causes a specific movement to occur through their own contraction

Question 2

function of an antagonist

Answer 2

theses muscles oppose a specific movement, this controls a motion, slows It down and returns the limb back o the original position

Question 3

what is an example of an antagonist and agonist

Answer 3

bicep brachii (agonist) contracts
tricep (antagonist) relaxes

Question 4

function of a synergist

Answer 4

muscle or muscles that assists a prime mover

Question 5

what is an example of a synergist

Answer 5

brachiallis weakly assist bicep brachia during elbow flexion

Question 6

function of a fixator

Answer 6

muscles or muscles which fix a bone in place so there is no unwanted movement

Question 7

what is an example of a fixator

Answer 7

deltoid during a bicep curl

Question 8

what are the three types of contractions

Answer 8

isometric
eccentric
concentric

Question 9

describe isometric contractions

Answer 9

when there is no change in joint angle or length

Question 10

describe eccentric contractions

Answer 10

muscle lengthens on contraction

Question 11

describe concentric contractions

Answer 11

muscle shortens on contraction