B5 muscular system

Question 1

function of muscular system

Answer 1

Skeletal muscles attached to bones

Work in pairs to produce movement

Tendons connect bone to muscles

One contracts, the other relaxes to allow movement

Question 2

types of contractions

Answer 2

concentric

eccentric

isometric

Question 3

Concentric

Answer 3

Shortening of muscles

eg- bicep curl upwards

Question 4

Eccentric

Answer 4

lengthening of muscles

eg- bicep curl downward

Question 5

isometric

Answer 5

Muscles doesn’t change length

eg- holding weight

Question 6

Agonist

Answer 6

Prime movers are the main activating muscles

Question 6

Antagonist

Answer 6

Work as a pair with the agonist. As one contracts, the other relaxes to allow
movement

Question 7

Synergist

Answer 7

Works to assist agonist or antagonist muscles

Question 8

Fixator

Answer 8

Muscles that keep bones stable so agonist can work properly

Question 9

muscular dystrophy

Answer 9

conditions that gradually cause the muscles to weaken, leading to an increasing level of disability

progressive condition, which means it gets worse over time