Muscular system

Question 1

gross anatomy of producing movement

Answer 1

force produced by muscle
transmitted to skeleton via tendon
movement/joint stabilised/ posture maintained

Question 2

concentric

Answer 2

shortening under tension

Question 3

eccentric

Answer 3

lengthening under tension

Question 4

isometric

Answer 4

constant length under tension

Question 5

function of muscle system

Answer 5

producing movement
maintaining posture
thermoregulation
storing and moving substances

Question 6

origin

Answer 6

tendon attachment nearest the centre of the body

Question 7

insertion

Answer 7

tendon attachment furthers away from the centre of the body

Question 8

origin doesn’t what during movement

Answer 8

move

Question 9

torque equation

Answer 9

force x perpendicular distance from pivot

Question 10

what does a longer lever arm do

Answer 10

increase torque
decrease range of motion
decrease joint angular velocity

Question 11

agonist

Answer 11

muscle responsible for controlling movement

Question 12

antagonist

Answer 12

oppose the agonist if activated

Question 13

stabiliser

Answer 13

contract to stabilise nearby joints

Question 14

synergist

Answer 14

assist in action of agonist